Horrid Transformation

Transform:{2}{b}{b}{b} —Target creature becomes a Werewolf horror. It gets +3/+3, Infect, and
First Strike till end of turn.

Infect —When creature attacks with Infect, target blocking creature gets -1/-1 and gains Infect.(Put a
+3 counter on target blocking creature. On opponents upkeep, removes a counter. Once counters are gone, exile creature.)