Theros

Dauntless Onslaught | Instant | | Up to two target creatures each get +2/+2 until end of turn. | Peter Mohrbacher

Decorated Griffin | Creature | Griffin | Flying {1}{W}: Prevent the next 1 combat damage that would be dealt to you this turn. | Phill Simmer

Evangel of Heliod | Creature | Human Cleric | When Evangel of Heliod enters the battlefield, create a number of 1/1 white Soldier creature tokens equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.) | Nils Hamm

Favored Hoplite | Creature | Human Soldier | Heroic — Whenever you cast a spell that targets Favored Hoplite, put a +1/+1 counter on Favored Hoplite and prevent all damage that would be dealt to it this turn. | Winona Nelson

Glare of Heresy | Sorcery | | Exile target white permanent. | Raymond Swanland

Heliod's Emissary | Enchantment Creature | Elk | Bestow {6}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Whenever Heliod's Emissary or enchanted creature attacks, tap target creature an opponent controls. Enchanted creature gets +3/+3. | Sam Burley

Ordeal of Heliod | Enchantment | Aura | Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Heliod. When you sacrifice Ordeal of Heliod, you gain 10 life. | Lucas Graciano

Phalanx Leader | Creature | Human Soldier | Heroic — Whenever you cast a spell that targets Phalanx Leader, put a +1/+1 counter on each creature you control. | David Palumbo

Vanquish the Foul | Sorcery | | Destroy target creature with power 4 or greater. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Eric Deschamps

Dissolve | Instant | | Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Wesley Burt

Gainsay | Instant | | Counter target blue spell. | Clint Cearley

Horizon Scholar | Creature | Sphinx | Flying When Horizon Scholar enters the battlefield, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | Karl Kopinski

Ordeal of Thassa | Enchantment | Aura | Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Thassa. When you sacrifice Ordeal of Thassa, draw two cards. | Howard Lyon

Sea God's Revenge | Sorcery | | Return up to three target creatures your opponents control to their owners' hands. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) | Eric Velhagen

Sealock Monster | Creature | Octopus | Sealock Monster can't attack unless defending player controls an Island. {5}{U}{U}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Sealock Monster becomes monstrous, target land becomes an Island in addition to its other types. | Adam Paquette

Thassa's Emissary | Enchantment Creature | Crab | Bestow {5}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Whenever Thassa's Emissary or enchanted creature deals combat damage to a player, draw a card. Enchanted creature gets +3/+3. | Sam Burley

Triton Fortune Hunter | Creature | Merfolk Soldier | Heroic — Whenever you cast a spell that targets Triton Fortune Hunter, draw a card. | Clint Cearley

Triton Tactics | Instant | | Up to two target creatures each get +0/+3 until end of turn. Untap those creatures. At this turn's next end of combat, tap each creature that was blocked by one of those creatures this turn and it doesn't untap during its controller's next untap step. | Jack Wang

Cutthroat Maneuver | Instant | | Up to two target creatures each get +1/+1 and gain lifelink until end of turn. | Brad Rigney

Dark Betrayal | Instant | | Destroy target black creature. | Nils Hamm

Erebos's Emissary | Enchantment Creature | Snake | Bestow {5}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Discard a creature card: Erebos's Emissary gets +2/+2 until end of turn. If Erebos's Emissary is an Aura, enchanted creature gets +2/+2 until end of turn instead. Enchanted creature gets +3/+3. | Sam Burley

Insatiable Harpy | Creature | Harpy | Flying, lifelink | Matt Stewart

Keepsake Gorgon | Creature | Gorgon | Deathtouch {5}{B}{B}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.) When Keepsake Gorgon becomes monstrous, destroy target non-Gorgon creature an opponent controls. | Aaron Miller

Mogis's Marauder | Creature | Human Berserker | When Mogis's Marauder enters the battlefield, up to X target creatures each gain intimidate and haste until end of turn, where X is your devotion to black. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it. Each {B} in the mana costs of permanents you control counts toward your devotion to black.) | Chase Stone

Ordeal of Erebos | Enchantment | Aura | Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Erebos. When you sacrifice Ordeal of Erebos, target player discards two cards. | Tyler Jacobson

Rescue from the Underworld | Instant | | As an additional cost to cast this spell, sacrifice a creature. Choose target creature card in your graveyard. Return that card and the sacrificed card to the battlefield under your control at the beginning of your next upkeep. Exile Rescue from the Underworld. | Raymond Swanland

Tormented Hero | Creature | Human Warrior | Tormented Hero enters the battlefield tapped. Heroic — Whenever you cast a spell that targets Tormented Hero, each opponent loses 1 life. You gain life equal to the life lost this way. | Winona Nelson

Arena Athlete | Creature | Human | Heroic — Whenever you cast a spell that targets Arena Athlete, target creature an opponent controls can't block this turn. | Jason Chan

Coordinated Assault | Instant | | Up to two target creatures each get +1/+0 and gain first strike until end of turn. | John Severin Brassell

Fanatic of Mogis | Creature | Minotaur Shaman | When Fanatic of Mogis enters the battlefield, it deals damage to each opponent equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.) | Matt Stewart

Flamespeaker Adept | Creature | Human Shaman | Whenever you scry, Flamespeaker Adept gets +2/+0 and gains first strike until end of turn. | Lucas Graciano

Magma Jet | Instant | | Magma Jet deals 2 damage to any target. Scry 2. | Maciej Kuciara

Ordeal of Purphoros | Enchantment | Aura | Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Purphoros. When you sacrifice Ordeal of Purphoros, it deals 3 damage to any target. | Maciej Kuciara

Peak Eruption | Sorcery | | Destroy target Mountain. Peak Eruption deals 3 damage to that land's controller. | Adam Paquette

Purphoros's Emissary | Enchantment Creature | Ox | Bestow {6}{R} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Menace (This creature can't be blocked except by two or more creatures.) Enchanted creature gets +3/+3 and has menace. | Sam Burley

Stoneshock Giant | Creature | Giant | {6}{R}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.) When Stoneshock Giant becomes monstrous, creatures without flying your opponents control can't block this turn. | Lars Grant-West

Artisan's Sorrow | Instant | | Destroy target artifact or enchantment. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.) | Jung Park

Centaur Battlemaster | Creature | Centaur Warrior | Heroic — Whenever you cast a spell that targets Centaur Battlemaster, put three +1/+1 counters on Centaur Battlemaster. | Kev Walker

Hunt the Hunter | Sorcery | | Target green creature you control gets +2/+2 until end of turn. It fights target green creature an opponent controls. | Ryan Barger

Karametra's Acolyte | Creature | Human Druid | {T}: Add an amount of {G} equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.) | Chase Stone

Nemesis of Mortals | Creature | Snake | This spell costs {1} less to cast for each creature card in your graveyard. {7}{G}{G}: Monstrosity 5. This ability costs {1} less to activate for each creature card in your graveyard. (If this creature isn't monstrous, put five +1/+1 counters on it and it becomes monstrous.) | Mathias Kollros

Nylea's Emissary | Enchantment Creature | Cat | Bestow {5}{G} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Trample Enchanted creature gets +3/+3 and has trample. | Sam Burley

Ordeal of Nylea | Enchantment | Aura | Enchant creature Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Nylea. When you sacrifice Ordeal of Nylea, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. | David Palumbo

Satyr Piper | Creature | Satyr Rogue | {3}{G}: Target creature must be blocked this turn if able. | Christopher Moeller

Warriors' Lesson | Instant | | Until end of turn, up to two target creatures you control each gain "Whenever this creature deals combat damage to a player, draw a card." | Steve Prescott

Battlewise Hoplite | Creature | Human Soldier | Heroic — Whenever you cast a spell that targets Battlewise Hoplite, put a +1/+1 counter on Battlewise Hoplite, then scry 1. (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) | Willian Murai

Sentry of the Underworld | Creature | Griffin Skeleton | Flying, vigilance {W}{B}, Pay 3 life: Regenerate Sentry of the Underworld. | Dave Kendall

Akroan Hoplite | Creature | Human Soldier | Whenever Akroan Hoplite attacks, it gets +X/+0 until end of turn, where X is the number of attacking creatures you control. | Igor Kieryluk

Chronicler of Heroes | Creature | Centaur Wizard | When Chronicler of Heroes enters the battlefield, draw a card if you control a creature with a +1/+1 counter on it. | John Stanko

Shipwreck Singer | Creature | Siren | Flying {1}{U}: Target creature an opponent controls attacks this turn if able. {1}{B}, {T}: Attacking creatures get -1/-1 until end of turn. | Daarken

Spellheart Chimera | Creature | Chimera | Flying, trample Spellheart Chimera's power is equal to the number of instant and sorcery cards in your graveyard. | Svetlin Velinov

Horizon Chimera | Creature | Chimera | Flash Flying, trample Whenever you draw a card, you gain 1 life. | Sam Burley

Kragma Warcaller | Creature | Minotaur Warrior | Minotaur creatures you control have haste. Whenever a Minotaur you control attacks, it gets +2/+0 until end of turn. | Gabor Szikszai

Pharika's Mender | Creature | Gorgon | When Pharika's Mender enters the battlefield, you may return target creature or enchantment card from your graveyard to your hand. | Peter Mohrbacher

Destructive Revelry | Instant | | Destroy target artifact or enchantment. Destructive Revelry deals 2 damage to that permanent's controller. | Kev Walker

Anvilwrought Raptor | Artifact Creature | Bird | Flying First strike (This creature deals combat damage before creatures without first strike.) | James Zapata

Burnished Hart | Artifact Creature | Elk | {3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle. | Yeong-Hao Han

4.0 LSV

Flamecast Wheel | Artifact | | {5}, {T}, Sacrifice Flamecast Wheel: It deals 3 damage to target creature. | Jasper Sandner

Prowler's Helm | Artifact | Equipment | Equipped creature can't be blocked except by Walls. Equip {2} | Igor Kieryluk

Witches' Eye | Artifact | Equipment | Equipped creature has "{1}, {T}: Scry 1." (To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.) Equip {1} | Daniel Ljunggren