Cell

Devour 2 (As this creature enters, you may sacrifice any number of creatures. It enters with two times that many +1/+1 counters on it.) Imperfect Form: As long as there are 4 or fewer 1/1 counters on this creature Cell has skulk. Semi-Perfect: As long as there are 5 or more 1/1 counters on this creature it loses skulk and gains First Strike Perfect Cell: As long as there are 10 or more 1/1 counters on this creature it gains Double Strike and Afterlife 7