Zalitoc, Lord of the Abyss

Eminence - Whenever a player sacrifices a creature you get an experience counter.
Flying, lifelink, vigilance
You may cast creature cards from your graveyard using Zalitoc, Lord of the Abyss.
At the beginning of your upkeep each opponent sacrifices a creature, add X mana of any combination of color to your mana pool where X is the number of experience counters you have, only use this mana to cast creature spells from your graveyard.