La'ayiv, Parallel Embraced

Whenever you cast a spell, if it's blue or
black, you lose the game.
{8}: Exile target creature, then return it to the battlefield after the game of Magic you are
playing has ended. You gain 4 life.
"I am the one that wasn't included, the one that was
never there, the one that is everywhere at once. I am
the one who is omnipotent, yet cannot do anything."