The Arcane Ravager

Battalion - Whenever The Arcane Ravager and at
least two other creatures attack, it deals 1 damage
to any target and you get an experience counter.
{1}{r}, Tap two untapped Wizards you control:
You may cast target instant or sorcery card with
converted mana cost X or less from a graveyard
without paying it's mana cost, where X is the
number of experience counters you have.
Partner