Each creature card in your graveyard has scavenge. The scavenge cost is equal to its mana cost. (Exile a creature card from your graveyard and pay its mana cost: Put a number of +1/+1 counters equal to that card's power on target creature. Scavenge only as a sorcery.)Sacrifice another creature: Regenerate Varolz, the Scar-Striped.
Whenever a player casts a spell from their hand, that player exiles it, then exiles cards from the top of their library until they exile a card that shares a card type with it. That player may cast that card without paying its mana cost. Then they put all cards exiled with Possibility Storm on the bottom of their library in a random order.
Vigilance, protection from creaturesWhenever a creature deals combat damage to you, destroy that creature. Create a 1/1 white and black Spirit creature token with flying.
Lifelink (Damage dealt by this creature also causes you to gain that much life.)Extort (Whenever you cast a spell, you may pay . If you do, each opponent loses 1 life and you gain that much life.)
Play with the top card of your library revealed.You may cast instant and sorcery spells from the top of your library.Whenever you cast an instant or sorcery spell from your library, copy it. You may choose new targets for the copy.
Evolve (Whenever a creature you control enters, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)Whenever Renegade Krasis evolves, put a +1/+1 counter on each other creature you control with a +1/+1 counter on it.
You may have Progenitor Mimic enter as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature."
FlashIf an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.
Whenever a creature enters this turn, you may draw a card.Fuse (You may cast one or both halves of this card from your hand.)Create four 1/1 white Bird creature tokens with flying.Fuse (You may cast one or both halves of this card from your hand.)
Destroy target artifact.Fuse (You may cast one or both halves of this card from your hand.)Destroy target enchantment.Fuse (You may cast one or both halves of this card from your hand.)
When Trostani's Summoner enters, create a 2/2 white Knight creature token with vigilance, a 3/3 green Centaur creature token, and a 4/4 green Rhino creature token with trample.
Creatures you control gain indestructible until end of turn. Untap each creature you control.Fuse (You may cast one or both halves of this card from your hand.)Creatures you control gain deathtouch and lifelink until end of turn.Fuse (You may cast one or both halves of this card from your hand.)
DefenderWhenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn't have defender.
Red creatures you control get +1/+0.White creatures you control get +0/+1., Exile Legion's Initiative: Exile all creatures you control. At the beginning of the next combat, return those cards to the battlefield under their owner's control and those creatures gain haste until end of turn.
Protection from redWhen Lavinia of the Tenth enters, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)
