Mattick, Holy Invader

: Prevent all damage to Mattick by Snakes. Whenever a creature dies, put a Loyalty Counter on Mattick.
-X: Up to X target permanents become a black Snake creature with base power and toughness 1/1. Put a deathtouch counter on each of them.
-8: Exile all creatures in play. Gain life equal to the number of Snakes exiled this way.