From Beyond 

Enchantment
Devoid (This creature has no color.)
At the beginning of your upkeep, put a 1/1 colorless Eldrazi Scion creature token onto the battlefield. It has "Sacrifice this creature: Add

to your mana pool."


, Sacrifice From Beyond: Search your library for an Eldrazi card, reveal it, put it into your hand, then shuffle your library.