Kaji, the Endgame

Hexproof, Trample, Annihilator 4, Flash
When you cast Kaji, the Endgame, create twelve 0/1 colorless Eldrazi Minion creature tokens with, if this creature would be tapped, it won't untap during your next untap step.
Tap X untapped Eldrazi you control, then You may put a colorless creature card with converted mana cost X from your hand onto the battlefield.