Sage's Pact

When Sage's Pact enters the battlefield, create
two 1/1 white Human creature tokens
So long as you control a Human and a
non-Human creature, you can't lose the game
and your opponents can't win the game.
At the end of turn, if you control no Humans you
lose 3 life.
{w}: Discard a card. Create a 1/1 white Human
creature token.
{b}{b}{b}: Sacrifice a creature. Create a 3/3 black
Yokai creature token