Keiichi, The One and Only

Survival - At the beginning of your second main phase, if Keiichi, The One and Only is tapped, put two +1/+1 counters and a first strike counter on each creature you control

At the beginning of your end step if Keiichi is the only creature you control, you take 5 damage and sacrifice Keiichi The One and Only.

"If you just submit yourself to fate, then that's the end of it."