God Tree

Hexproof
At the beginning of your upkeep, you gain {x} life, where {x} is number of creature cards
in your graveyard.
•Exile target creature card from your graveyard, {t}: Add {x} mana of any colors, where {x} is
number of creature cards in your graveyard.
•Exile {x} creature cards from your graveyard,
Sacrifice God Tree: You gain {x}{x}{x} life, add {x}{x} mana of any colors and draw {x} cards.