![Chromium, the Mutable [Core Set 2019 Prerelease Promos]](https://www.cardgamebestonline.com/wp-content/uploads/2026/07/chromium-mutable-core-set-2019-prerelease-promos.webp)
Description
| Set: | Core Set 2019 Prerelease Promos |
| Type: | Legendary Creature — Elder Dragon |
| Rarity: | Mythic |
| Cost: | {4}{W}{U}{B} |
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.
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