Eldrazi Emerging Gap

Escalate -- Discard a card, sacrifice a nontoken creature.
Choose one or more, even multiple times --
* Put four 0/1 colorless Eldrazi Spawn creature tokens onto the battlefield. It has "Sacrifice this creature: Add {c} to your mana pool."
* Put three 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. It has "Sacrifice this creature: Add {c} to your mana pool."
* Put one 3/2 colorless Eldrazi Horror creature token onto the battlefield.