
Ajani, Caller of the Pride | Legendary Planeswalker | Ajani | +1: Put a +1/+1 counter on up to one target creature.
−3: Target creature gains flying and double strike until end of turn.
−8: Create X 2/2 white Cat creature tokens, where X is your life total. | D. Alexander Gregory

Archangel of Thune | Creature | Angel | Flying
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
Whenever you gain life, put a +1/+1 counter on each creature you control. | James Ryman

Devout Invocation | Sorcery | | Tap any number of untapped creatures you control. Create a 4/4 white Angel creature token with flying for each creature tapped this way. | David Palumbo

Jace, Memory Adept | Legendary Planeswalker | Jace | +1: Draw a card. Target player mills a card.
0: Target player mills ten cards.
−7: Any number of target players each draw twenty cards. | D. Alexander Gregory

Windreader Sphinx | Creature | Sphinx | Flying
Whenever a creature with flying attacks, you may draw a card. | Min Yum

Liliana of the Dark Realms | Legendary Planeswalker | Liliana | +1: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.
−3: Target creature gets +X/+X or -X/-X until end of turn, where X is the number of Swamps you control.
−6: You get an emblem with "Swamps you control have '{T}: Add {B}{B}{B}{B}.'" | D. Alexander Gregory

Rise of the Dark Realms | Sorcery | | Put all creature cards from all graveyards onto the battlefield under your control. | Michael Komarck

Shadowborn Demon | Creature | Demon | Flying
When Shadowborn Demon enters the battlefield, destroy target non-Demon creature.
At the beginning of your upkeep, if there are fewer than six creature cards in your graveyard, sacrifice a creature. | Lucas Graciano

Chandra, Pyromaster | Legendary Planeswalker | Chandra | +1: Chandra, Pyromaster deals 1 damage to target player or planeswalker and 1 damage to up to one target creature that player or that planeswalker's controller controls. That creature can't block this turn.
0: Exile the top card of your library. You may play it this turn.
−7: Exile the top ten cards of your library. Choose an instant or sorcery card exiled this way and copy it three times. You may cast the copies without paying their mana costs. | Winona Nelson

Scourge of Valkas | Creature | Dragon | Flying
Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.
{R}: Scourge of Valkas gets +1/+0 until end of turn. | Lucas Graciano

Garruk, Caller of Beasts | Legendary Planeswalker | Garruk | +1: Reveal the top five cards of your library. Put all creature cards revealed this way into your hand and the rest on the bottom of your library in any order.
−3: You may put a green creature card from your hand onto the battlefield.
−7: You get an emblem with "Whenever you cast a creature spell, you may search your library for a creature card, put it onto the battlefield, then shuffle." | Karl Kopinski

Kalonian Hydra | Creature | Hydra | Trample
Kalonian Hydra enters the battlefield with four +1/+1 counters on it.
Whenever Kalonian Hydra attacks, double the number of +1/+1 counters on each creature you control. | Chris Rahn

Primeval Bounty | Enchantment | | Whenever you cast a creature spell, create a 3/3 green Beast creature token.
Whenever you cast a noncreature spell, put three +1/+1 counters on target creature you control.
Landfall — Whenever a land enters the battlefield under your control, you gain 3 life. | Christine Choi

Darksteel Forge | Artifact | | Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.) | Martina Pilcerova

Ring of Three Wishes | Artifact | | Ring of Three Wishes enters the battlefield with three wish counters on it.
{5}, {T}, Remove a wish counter from Ring of Three Wishes: Search your library for a card, put that card into your hand, then shuffle. | Mark Winters