Finale of Devastation from Commander Masters (289) is a Mythic Sorcery card.
Illustrator: Bayard Wu
Rules
Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.
