15 cards where the card is in the spellbook for “big spender”

Arcane Encyclopedia (Commander Legends: Battle for Baldur's Gate #297)
Daredevil Dragster (Aether Revolt #149)
Diamond Mare (Core Set 2019 #231)
Filigree Familiar (Commander Legends #308)
Fountain of Renewal (Core Set 2019 #235)
Gilded Lotus (Commander Masters #387)
Golden Egg (Throne of Eldraine #220)
Guild Globe (War of the Spark #239)
Heraldic Banner (Throne of Eldraine #222)
Honored Heirloom (Innistrad: Crimson Vow #257)
Key to the City (Commander 2021 #248)
Prophetic Prism (Wilds of Eldraine #249)
Stuffed Bear (Innistrad: Midnight Hunt #259)
Treasure Vault (Adventures in the Forgotten Realms #261)
Zephyr Boots (Strixhaven: School of Mages #261)

Though this query has ended, its relics still slumber in New Argive.