
At the beginning of each end step, each player discards their hand.
Sire of Insanity has 3 printings, first in Dragon's Maze (2013). EDHREC ranks it #9,119 among Commander cards. It appears most in Kroxa, Titan of Death's Hunger decks (786 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.