Goblin Slayer

When Goblin Slayer enters the battlefield, all
Goblin-type creatures receive -1/-1 Counters.
If any Goblin-type creatures are sent to the
graveyard this turn, Goblin slayer or creature
you control receive +1/+1 until the end phase.
{3}{t}, Goblin Slayer can take half of damage
that is directed at a creature you control
party member.