: Add .Any time you could mulligan and Serum Powder is in your hand, you may exile all the cards from your hand, then draw that many cards. (You can do this in addition to taking mulligans.)
+1: Wrenn and One gains ": Add " until your next turn.−1: Create a 1/1 green Squirrel creature token.−4: You get an emblem with "At the beginning of your precombat main phase, add for each creature you control."
Banding (Just ask around until you find someone who knows.)Creature spells you cast with banding cost less to cast.Whenever two or more creatures you control attack in a band, each creature in that band gets +1/+1 until end of turn for each creature in that band.
When A Girl and Her Dogs enters the battlefield and at the beginning of your upkeep, create a 1/1 white legendary Dog creature token and name it.Whenever A Girl and Her Dogs attacks, it gets +1/+1 until end of turn for each legendary creature you control.
When Hostage Taker enters, exile another target creature or artifact until Hostage Taker leaves the battlefield. You may cast that card for as long as it remains exiled, and mana of any type can be spent to cast that spell.
Legacy (During deckbuilding, circle any number of the following. You can spend 1 point for free. For every 2 points spent beyond that, increase this card's mana cost by .)1 point each → Flash; deathtouch; reach; vigilance; or ward 2 points → : Add one mana of any color.3 points each → +1/+1; or +0/+24 points → When this creature enters the battlefield,...
