Ugdug, Gift From the Gods

Haste
At the beginning of your next upkeep pay {r}{r}{r} or sacrifice Ugdug.
Other Goblins you control get +1/+1 and have
menace.
Whenever an opponent is dealt damage, put that
many +1/+1 counters on Ugdug.
Ugdug must attack if able each combat, and must
be blocked if able.