Asimov, Transcendant Of Flesh

Lifelink, Reach, Vigilance
While you control Azimov, Transcendant Of Flesh, artifacts you control gain hexproof.
Sacrifice an artifact or creature: This creature gains +1/+1 counters equal to its converted mana cost.
{t}: Remove X +1/+1 counters from this creature;
deal 2 damage to target creature or planeswalker
for each counter removed this way. Creatures destroyed by this damage are exiled instead of being sent to the graveyard.