Lightning Crafter

Champion a Goblin or Shaman (When this enters, sacrifice it unless you exile another Goblin or Shaman you control. When this leaves the battlefield, that card returns to the battlefield.)
{T}: This creature deals 3 damage to any target.

The List

Morningtide

Champion a Goblin or Shaman (When this comes into play, sacrifice it unless you remove another Goblin or Shaman you control from the game. When this leaves play, that card returns to play.)
{T}: Lightning Crafter deals 3 damage to target creature or player.