Dimir Signet (Retro) [Secret Lair Drop Series] Dragon Spirit Urza decided to create one

Urza decided to create one versatile being

Set: Strixhaven: Mystical Archive Type: Sorcery Rarity: Mythic Cost: {6}{W} If this spell was cast from your hand and you've cast another spell named Approach of the Second Sun this game

Set: Strixhaven: School of Mages Type: Creature — Avatar Rarity: Rare Cost: {5} Whenever an opponent casts an instant or sorcery spell

Set: Saviors of Kamigawa Type: Legendary Creature — Human Shaman Rarity: Rare Cost: {2}{G} Whenever you cast a legendary spell

This ability still resolves if its target becomes illegal

Dimir Signet (Retro) [Secret Lair Drop Series] Dragon Spirit Urza decided to create oneSet: Secret Lair Drop Series Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: Add {U}{B}.