Emrakul's Messenger

Devoid (This card has no color.)

When you cast this spell and when this creature dies, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ."

Devoid (This card has no color.)

Creature tokens you control have evolve. (They have "Whenever a creature you control enters, if it has greater power or toughness than this token, put a +1/+1 counter on this token." They see this creature enter.)

: Create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ."

Devoid (This card has no color.)

Menace

Whenever you sacrifice a nontoken permanent, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ."

Devoid (This card has no color.)

: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.)

Whenever one or more +1/+1 counters are put on this creature, you may create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ."

Devoid (This card has no color.)

Flying

When this creature enters, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this token: Add ."

Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ."

Whenever another colorless creature you control enters, this creature deals 1 damage to each opponent.