Gore the Tribulator

Eminence- If Gore is in the command zone or the battlefield you may create at the beginning of each upkeep a colorless Eldrazi Scion. They have sacrifice: Add {1} to your mana pool.

Indestructible, First strike, lifelink
Annihilator 5

{7} Until end of turn each Eldrazi Scion you control gets +x/+x for each other Eldrazi Scion
on the battlefield.