Nocrix, Eldrazi Disciple

+1: Target creature you control deals damage equal to it's power to target creature you don't control. Tap both creatures until your next upkeep.
-5: Put a 10/10 colorless Eldrazi token onto the battlefield under your control.
-20: Activate this ability only if you control creatures with a total toughness of 30 or more. You win the game.