Theros

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

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

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

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