Urza, Lord High Artificer (Future Sight) [Mystery Booster 2] Build & Battle Stadium you can pay 500 Life

you can pay 500 Life Point to add 1 "Volcanic Shell" from your Deck to your hand

Set: Legendary Collection 3: Yugi's World Card type: Effect Monster Rarity: Secret Rare Attack: 2000 Defense: 1700 This card gains 300 ATK for every "Dark Magician" or "Magician of Black Chaos" in either player's Graveyard

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or the most haunted Gym in the Galar region

Whenever Glowing One deals combat damage to a player

Urza, Lord High Artificer (Future Sight) [Mystery Booster 2] Build & Battle Stadium you can pay 500 LifeSet: Mystery Booster 2 Type: Legendary Creature Human Artificer Rarity: Mythic Cost: {2}{U}{U} When Urza, Lord High Artificer enters, create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control." Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.