Crimson, Righteous Archfiend

This spell can't be countered
When Crimson, Righteous Archfiend enters the
battlefield, all creatures you control with 2 or
less toughness gain Hexproof until your next
turn.
If a creature you control is sent to the graveyard
or is exiled by an opponent, Crimson, Righteous
Archfiend gets +1/+1. If the creature was a
demon, Crimson, Righteous Archfiend gets a
+1/+1 counter.