Birgi, God of Storytelling // Harnfel, Horn of Bounty [Kaldheim Prerelease Promos] 17 then using a "Utopia" Monster

then using a "Utopia" Monster you control as the Xyz Material

Set: Neo Genesis Unlimited Type: Metal Rarity: Holo Rare Retreat cost: Colorless

Set: Platinum: Supreme Victors Type: Lightning Rarity: Uncommon Retreat cost: Colorless

and destroy it

Set: Platinum: Arceus Type: Fire Rarity: Holo Rare Retreat cost: Colorless

Birgi, God of Storytelling // Harnfel, Horn of Bounty [Kaldheim Prerelease Promos] 17 then using a "Utopia" MonsterSet: Kaldheim Prerelease Promos Type: Legendary Creature God Rarity: Rare Cost: {2}{R} Whenever you cast a spell, add {R}. Until end of turn, you don't lose this mana as steps and phases end. Creatures you control can boast twice during each of your turns rather than once. "This is a tale to make all of Kaldheim tremble"