Emrakul The Inescapable

when Emrakul The Inescapable attacks, summon 2 10/10 eldrazi creature tokens and gain control of all plainswalkers, enchantments and artifacts defending player controls
flying, anihalator 8, indestructable, hexproof, haste
at the begining of your upkeep Emrakul The Inescapable and all Eldazi Creatures you control gain +{x}/+{x} where {x} is equal to your devotion to all mana