Draw two cards, then discard a card and you lose 2 life. Create X tapped 2/2 black Zombie Druid creature tokens, where X is the number of cards that were put into your graveyard from your hand or library this turn.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
HasteWhenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni.Sacrifice another creature: Yahenni gains indestructible until end of turn.
FlashFlyingWhen this creature enters, if you cast it, counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard, then you may cast it without paying its mana cost.
FlyingWhen this creature enters or becomes monstrous, exile up to two target artifacts and/or enchantments controlled by different players.: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
Each creature you control assigns combat damage equal to its toughness rather than its power.: Target creature with defender can attack this turn as though it didn't have defender.: Creatures you control get +0/+1 until end of turn.
Tempting offer — Create X 1/1 red Elemental creature tokens with haste. Each opponent may create X 1/1 red Elemental creature tokens with haste. For each opponent who does, create X 1/1 red Elemental creature tokens with haste.
FlyingWhenever this creature attacks, mill four cards. You may cast an instant or sorcery spell from your graveyard with mana value 4 or less without paying its mana cost. If that spell would be put into your graveyard, exile it instead.
Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)