Bomb inside a pile of poo

{0}: Put Bomb inside a pile of poo from
your hand face down onto the battlefield. It is a
0/1 green creature named Cow pat with
defender and 'whenever a player destroys Cow
pat, that player draws a card'
Whenever bomb inside a pile of poo blocks, you
may turn it face up. If you do, sacrifice it and
destroy target creature.