Peeper

For each {x} you pay, add a +0/+2 counter to this creature.
Every other turn spawn a 1/1 Peeper token
{t}{x}For every {x} you pay for this ability, gain 1 enzyme token. When you reach 20 enzyme tokens, if the opponent has a black card, you win the game.

"With a single eye, it sees all beneath the waves."