![Chromium, the Mutable [Core Set 2019 Prerelease Promos]](http://tapnroll.com/cdn/shop/products/9c05831c-930a-50cb-814a-eb55cea1db2e_8058ac11-1c20-4816-9b33-dd81ecdd796e_800x.jpg?v=1697609300)
![Chromium, the Mutable [Core Set 2019 Prerelease Promos]](http://tapnroll.com/cdn/shop/products/9c05831c-930a-50cb-814a-eb55cea1db2e_8058ac11-1c20-4816-9b33-dd81ecdd796e_1024x.jpg?v=1697609300)
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.
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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