Arcane Signet (228) (Surge Foil) [Warhammer 40,000] XY40 Set: HeartGold & SoulSilver: Unleashed

Set: HeartGold & SoulSilver: Unleashed Type: Grass Rarity: Promo Retreat cost: Colorless

So the numbers for production

Set: Kaladesh Prerelease Promos Type: Instant Rarity: Rare Cost: {3}{U} Return any number of target nonland

Set: Mystery Booster Type: Artifact Rarity: Rare Cost: {4} Whenever you cast a spell

destroy all Auras attached to them

Arcane Signet (228) (Surge Foil) [Warhammer 40,000] XY40 Set: HeartGold & SoulSilver: UnleashedSet: Warhammer 40,000 Type: Artifact Rarity: Common Cost: {2} {T}: Add one mana of any color in your commander's color identity. All Necrons bear the mark of the Triarch, a brand upon their living metal skin that binds them to their dynasty.