Ulamog, the Defiler [MH3 - 15] Commander Legends Battle for Baldurs Gate Creatures you control with +1/+1

Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron

and they dance

Rules Text Contains: (T: Add B or G

you may sacrifice another creature

Ulamog, the Defiler [MH3 - 15] Commander Legends Battle for Baldurs Gate Creatures you control with +1/+1Rarity: M #: 15 Creature Type or Sub Type: Legendary Creature Eldrazi P: 7 T: 7 Rules Text Contains: When you cast this spell, target opponent exiles half their library, rounded up. WardSacrifice two permanents. Ulamog, the Defiler enters the battlefield with a number of +1 +1 counters on it equal to the greatest mana value among cards in exile. Ulamog has annihilator X, where X is the number of +1 +1 counters on it.