Oath of the Gatewatch — Uncommon
Creature — Eldrazi Drone
Devoid (This card has no color.)
When Birthing Hulk enters the battlefield, put two 1/1 colorless Eldrazi Scion creature tokens onto the battlefield. They have "Sacrifice this creature: Add to your mana pool." ( represents colorless mana.)
: Regenerate Birthing Hulk.