Chromium, the Mutable [Core Set 2019 Prerelease Promos] Fusion Monster You can only use this

You can only use this effect of "Toon Harpie Lady" once per turn

Set: Legends Type: World Enchantment Rarity: Rare Cost: {2}{G}{G} All lands are 1/1 creatures that are still lands

Set: Ancient Prophecy Card type: Synchro/Effect Monster Rarity: Ultimate Rare Attack: 3100 Defense: 2600 1 Tuner Monster + 1 or more EARTH Monsters

up to the number of Xyz Materials with different names attached to this card

Chromium, the Mutable [Core Set 2019 Prerelease Promos] Fusion Monster You can only use thisSet: 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.