X, Echo of Aura Farming

This spell can't be countered, and enters with X loyalty counters. Any player may activate their abilities.

Desummon—Pay X mana equal to this creature's power, it phases out until the beginning of it's owner's next upkeep.

Contract—{x}: Sacrifice a creature, this creature gains a +1/+1 counter, and target creature with X mana cost gains an Indestructible counter.

Invert the World—{x}: Transform this creature and put X loyalty counters on it.