Twisted Goat Curse

Enchant Player
Enchanted player gains "Whenever you attack
an opponent, you may either lose 2 life or gain
a poison counter.
If you do not, the defender may creates a 1/1
black and green Twisted Goat creature token
with Deathtouch. It has the Devil, Goat, and
Snake types.
"The sacrifice of a black goat to vipers can bleed,
poison, and bedevil and enemy/"