whenever you cast a spell you don't own, create a 3/3 black demon creature token.
+1: draw a card. for each opponent, exile up to one target instant or sorcery card from that player's graveyard and put a page counter on it.
−3: you may cast a spell from among cards in exile with page counters on them without paying its mana cost.
tasha, the witch queen can be your commander.
