Corrupted At the beginning of your end step, if an opponent has three or more poison counters, draw a card, then you may put a land card from your hand onto the battlefield
In the late game, if youve got a board full of counters, ol Bill here can multiply em, which can close out a game quickly
What does Court of Grace do
With 20 hit points each, the goal is win by drawing powerful spells and creature spells that can lower your opponents life total while sustaining your own hitpoints
But in decks that care about exile, like various Doctors Who, Prosper, Tome-Bound, Pia Nalaar, Consul of Revival, and especially Edgin, Larcenous Lutenist, this can easily get up to 5+ damage
sometimes, it can take a few months