Dimir Signet (Retro) [Secret Lair Drop Series] Dragon Spirit This ability still resolves if

This ability still resolves if its target becomes illegal

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

Set: Secret Lair: Ultimate Edition 2 Type: Land // Land Rarity: Rare Exile all creatures and planeswalkers with mana value 3 or less from the battlefield and all creature and planeswalker cards with mana value 3 or less from all graveyards

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

Set: Collectors' Edition Type: Land — Forest Island Rarity: Rare ({T}: Add {G} or {U}

Dimir Signet (Retro) [Secret Lair Drop Series] Dragon Spirit This ability still resolves ifSet: Secret Lair Drop Series Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: Add {U}{B}.