Sorin, the Last King

+1: Tap up to two target creatures. Those creatures don't untap during their controller's next untap step if your life total is 10 or less.
-1: Scry 1, then draw a card. You may put 2 loyalty counters on Sorin, the Last King if your life total is 10 or less.
-7: Gain control of all creatures. They have haste, lifelink and vigilance until end of turn if your life total is 10 or less.