Quicksilver Elemental [Mirrodin] Windgrace When Darksteel Reactor has twenty

When Darksteel Reactor has twenty or more charge counters on it

Set: Magic Player Rewards 2010 Type: Instant Rarity: Rare Cost: {1}{W} Exile target black or red permanent

Set: Battle for Zendikar Prerelease Promos Type: Creature — Cat Beast Rarity: Rare Cost: {4}{W}{W} Vigilance

She sees all living things as prototype machines

Quicksilver Elemental [Mirrodin] Windgrace When Darksteel Reactor has twentySet: 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.