The Gaping Dragon

Annihilator 3, Menace
When this card enters Play, Search your Library
for all copies of The Depths and Play them.
If this card is blocked by two or more creatures
with a combined Toughness of 15+, send this
card to the Graveyard. If this card is Returned
from the Graveyard by any means, reduce it's
Power by 3.