King Vegeta, Saiyan Pride

+1: You gain life equal to the number of creatures you control plus the number of planeswalkers you control.
-2: Create a 2/2 white saiyan Soldier creature token named kings guard with Whenever you gain life, put a +1/+1 counter on kings guard.
0: If you have at least 15 life more than your starting life total, exile King Vegeta, and each artifact and creature your opponents