Simic Signet (Retro) (Foil Etched) [Secret Lair Drop Series] Scarlet & Violet 151 This card cannot be Special

This card cannot be Special Summoned except by Tributing 1 face-up 'Warrior of Zera' on your side of the field while 'The Sanctuary in the Sky' is on the field

I always thought Unicorns were fabulous monsters

Special Summon 1 Level 4 "Mathmech" monster from your hand or GY

Suddenly one of these boulders toppled from its perch and sprouted gargantuan wings

Set: Sun & Moon: Celestial Storm Type: Dragon Rarity: Secret Rare Retreat cost: Colorless

Simic Signet (Retro) (Foil Etched) [Secret Lair Drop Series] Scarlet & Violet 151 This card cannot be SpecialSet: Secret Lair Drop Series Type: Artifact Rarity: Rare Cost: {2} {1}, {T}: Add {G}{U}.