Devoid (This card has no color.)
Myriad (Whenever it attacks, for each opponent other than defending player, you may create a token that's a copy of that creature tapped and attacking that player or a planeswalker he or she controls. Exile the tokens at end of combat.)
When this creature leaves the battlefield, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add

."