Michael, Thieving Pillager

Deathtouch
Michael, Thieving Pillager's power is equal to
the amount of treasure tokens you control.
Pillage - If you control 5 or more treasure tokens, when Michael deals combat damage to a player you may either create a treasure token, or exile the top card of that players library, for as long as it remains exiled you may cast the card, and mana of any type can be used to cast it.