Xena, Enraged Necromancer

Amok {b/r} ({b/r}, Discard a card at random: Put a +1/+1 counter on this creature.)
{2}, {ut}, Pay 2 life: Return target creature card
with converted mana cost X or less from your graveyard to the battlefield, where X is Xena, Enraged Necromancer's power.
"The best medicine for despair is a little bit of insanity." - Xena, Enraged Necromancer