Unmask [Mercadian Masques] Masters 25 Set: Dragons of Tarkir Type:

Set: Dragons of Tarkir Type: Creature — Human Cleric Rarity: Common Cost: {1}{B} Exploit (When this creature enters the battlefield

lands tapped for mana produce mana of the chosen color instead of any other color

but not for a way to control it

{3}: Gain control of target Sliver

Set: Conspiracy Type: Artifact Rarity: Rare Cost: {4} You may cast spells as though they had flash

Unmask [Mercadian Masques] Masters 25 Set: Dragons of Tarkir Type:Set: 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.