Ulamog's Bishop

•If this card is your commander you may play
Devoid cards using colorless mana.
•When Ulamog's Bishop enters the battlefield,
create two 1/1 colorless Eldrazi Scion creature
tokens. They have "Sacrifice this creature:
Add {c} .
{c}{t} Sacrifice two Eldrazi creatures:
draw two cards
{10}{t} Sacrifice an Eldrazi creature:
Create a 10/10 Annihilator 1 colorless
Eldrazi creature token.