Unmask [Mercadian Masques] Friday Night Magic 2013 you may put Nether Shadow

you may put Nether Shadow onto the battlefield

Triple the guard

Set: Portal Three Kingdoms Type: Instant Rarity: Uncommon Cost: {W} Cast this spell only during the declare attackers step and only if you've been attacked this step

You may spend blue mana as though it were mana of any color to pay the activation costs of Quicksilver Elemental's abilities

Unmask [Mercadian Masques] Friday Night Magic 2013 you may put Nether ShadowSet: Mercadian Masques Type: Sorcery Rarity: Rare Cost: {3}{B} You may exile a black card from your hand rather than pay this spell's mana cost. Target player reveals their hand. You choose a nonland card from it. That player discards that card.