Zero

+1: Geass of Command: Target opponent reveals their hand. Choose a nonland card from it. That player cannot cast that card until your next turn.
-2: Strategic Sacrifice: Gain control of target creature until end of turn. Untap it. It gains haste. At end of turn, its controller sacrifices it if
-7: Checkmate: At the beginning of your upkeep, target opponent sacrifices a permanent. If they cannot, you win the game.