"Dr" Eamon Goblinstein

Lifelink
Sacrifice 2 goblins: make a legendary 2/2 red
Goblin Horror creature token named
Goblinstein's Monster with "At the beginning
of your end step if no Goblins have been sacrificed, sacrifice a Goblin Horror".
Sacrifice a Goblin: Put +1+1 counters on target
Goblin Horror equal to the sacrificed Goblins
power,
or, target Goblin Horror gains all text from
the sacrificed Goblin.