Thruu, Living Rock

+1: Create a 0/0 Artifact Creature token with "When this creature deals combat damage to a player, draw a card."
0: You get an emblem with "At the beginning of each opponent's upkeep, you may tap or untap a target non-creature non-land permanent."
-7: Choose any number of permanents you control. Until end of turn, those permanents become 3/3 elemental creatures with last-strike.