Goblin Slayer, Goblin Bane

First Strike and Deathtouch
Goblin Slayer cost {1} less for each goblin creature
on the battlefield and has Haste if an opponent
controls a goblin creature. Goblin Slayer can only
block or be blocked by goblins. Goblin Slayer gets
+X/+X when being blocking or blocked, where
X equal to goblin creature cards in your
opponent's graveyard.
The only good goblin is the one that never
comes out of its hole...