Dualcaster Mage [Commander Legends] Elf Spirit search your library for a

search your library for a card

using it as the Fusion Material

The complete Ancient Guardians booster set contains 60-cards:

Set: Maximum Gold Card type: Effect Monster Rarity: Gold Rare Attack: 500 Defense: 1700 If this card is Normal or Special Summoned: You can add 1 "Dragonmaid" monster from your Deck to your hand

Set: Fossil Unlimited Type: Psychic Rarity: Rare

Dualcaster Mage [Commander Legends] Elf Spirit search your library for aSet: Commander Legends Type: Creature Human Wizard Rarity: Rare Cost: {1}{R}{R} Flash When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy. "It has been my experience that disasters like to strike in pairs."