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.
Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn.You may cast a spell with mana value 2 or less from your hand without paying its mana cost.
+2: Reveal the top three cards of your library. Put all nonland permanent cards revealed this way into your hand and the rest on the bottom of your library in any order.−2: Exile target creature. Its controller gains life equal to its power.−9: Put five +1/+1 counters on each creature you control and five loyalty counters on each other planeswalker you...
Draw cards equal to the greatest power among creatures you control.You may cast a spell with mana value 5 or less from your hand without paying its mana 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 Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value.
+2: Put two +1/+1 counters on up to one target creature.+1: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.−11: Put X +1/+1 counters on target creature, where X is your life total. That creature gains trample until end of turn.
HasteWhenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.Sacrifice another creature: Yahenni gains indestructible until end of turn.