Quicksilver Elemental [Mirrodin] Eldritch Moon Prerelease Promos Set: Beta Edition Type: Artifact

Set: Beta Edition Type: Artifact Rarity: Uncommon Cost: {1} Whenever a player casts a white spell

you may put Nether Shadow onto the battlefield

Spells your opponents cast cost {1} more to cast

that player discards a card instead

At the beginning of enchanted player's upkeep

Quicksilver Elemental [Mirrodin] Eldritch Moon Prerelease Promos Set: Beta Edition Type: ArtifactSet: Mirrodin Type: Creature Elemental Rarity: Rare Cost: {3}{U}{U} {U}: Quicksilver Elemental gains all activated abilities of target creature until end of turn. (If any of the abilities use that creature's name, use this creature's name instead.) You may spend blue mana as though it were mana of any color to pay the activation costs of Quicksilver Elemental's abilities.