Chromium, the Mutable

Chromium, the Mutable

Legendary Creature - Elder Dragon | Power/Toughness: 7 / 7 (CMC 7)
Flash
This spell can't be countered.
Flying
Discard a card: Until end of turn, Chromium, the Mutable becomes a Human with base power and toughness 1/1, loses all abilities, and gains hexproof. It can't be blocked this turn.