Soul Snatcher Crook

at the beginning of your end step, if you exiled a creature card this turn, choose 1:
• you gain 2 life
• {t}, {u}{b}{b}{b}: create a 0/1 black Undead
Soul token with "if this card is blocking a spirit
or a god creature, give blocking creature X
0/-1 counters where X is the amount of
Undead Souls you control"