As for what Warner himself is playing, it does largely depend on what is being playtested
Black has plenty of ways to put specific cards in the graveyard from your library, enabling quick combo kills
Adding 20 cards to your deck seems like a massive drawback that would hamper the consistency of your deck yet Yorion got the ban hammer in several formats, and some Modern decks still tinker with 80 cards, even without the extra creature in their sideboard
It can be selectively applied to the decoration on the card so it highlights different parts
: Target creature loses banding and all "bands with other" abilities until end of turn
Players will put their best paws forward, fighting alongside mice, frogs, bats, birds, and myriad other critters to restore the balance of peaceand prove bravery comes in all sizes