Thraun, Hellbound Warrior

As an additional cost to summon Thraun, target
player pays 10 life, this spell can't be countered
Thraun's Power is equal to all the copies of
Dhuba, Eternal Companion on the battlefield
under your control
Thraun's Toughness is equal to target
player's life total
Partner with Dhuba, Eternal Companion.