Grimgrin, Corpse-Born enters tapped and doesn't untap during your untap step.Sacrifice another creature: Untap Grimgrin and put a +1/+1 counter on it.Whenever Grimgrin attacks, destroy target creature defending player controls, then put a +1/+1 counter on Grimgrin.
Whenever you cast an instant or sorcery spell that targets only Zada, Hedron Grinder, copy that spell for each other creature you control that the spell could target. Each copy targets a different one of those creatures.
MenaceWhen Atris, Oracle of Half-Truths enters, target opponent looks at the top three cards of your library and separates them into a face-down pile and a face-up pile. Put one pile into your hand and the other into your graveyard.
Companion — Your starting deck contains only cards with even mana values. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)When Gyruda enters, each player mills four cards. Put a creature card with an even mana value from among the milled cards onto the battlefield under your control.
When Kroxa enters, sacrifice it unless it escaped.Whenever Kroxa enters or attacks, each opponent discards a card, then each opponent who didn't discard a nonland card this way loses 3 life.Escape—, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)
Instant and sorcery spells you cast cost less to cast.Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.
Whenever you gain life, each opponent loses 1 life., Sacrifice another creature: Dina, Soul Steeper gets +X/+0 until end of turn, where X is the sacrificed creature's power.
LifelinkAt the beginning of each end step, if you gained life this turn, distribute up to that many +1/+1 counters among any number of other target creatures.
Companion — Each nonland card in your starting deck shares a card type. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)As Umori, the Collector enters, choose a card type.Spells you cast of the chosen type cost less to cast.
Creature spells you cast with power 4 or greater cost less to cast.Whenever Goreclaw, Terror of Qal Sisma attacks, each creature you control with power 4 or greater gets +1/+1 and gains trample until end of turn.
Whenever another nontoken creature you control dies, you may return it to the battlefield face down under its owner's control. It's a Forest land. (It has no other types or abilities.)
Whenever a creature you control with power 2 or less enters, you get an experience counter.At the beginning of combat on your turn, put X +1/+1 counters on another target creature you control, where X is the number of experience counters you have.
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)Spells you cast with mana value 6 or greater have cascade.
Whenever another nontoken creature you control enters, bolster 1. (Choose a creature with the least toughness among creatures you control and put a +1/+1 counter on it.)
Companion — Your starting deck contains only cards with odd mana values and land cards. (If this card is your chosen companion, you may put it into your hand from outside the game for as a sorcery.)If a source you control with an odd mana value would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.
Flying, lifelinkWhenever you cast your second spell each turn, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.