X - plosion

This spell can't be countered
Hexproof, Indestructible
Spells players cast with {x} in their mana cost cost {x} less to cast, where {x} is the amount of permanents they control and spells in their graveyard with {x} in their mana cost.
Spells with {x} in their mana cost can't be countered and have indestructible and hexproof.