Mercadian Masques

Casting Cost: 

Whenever a creature dies, put a charge counter on Black Market.

At the beginning of your precombat main phase, add  to your mana pool for each charge counter on Black Market.

Casting Cost:

Search target opponent's library for a creature card and put that card onto the battlefield under your control. Then that player shuffles his or her library.

: Add  to your mana pool.

, , Sacrifice a land: Destroy target nonbasic land.

Casting Cost: 

Exile a creature you control: Add X mana of any one color to your mana pool, where X is the exiled creature's converted mana cost plus one. Spend this mana only to cast creature spells.

: Add  to your mana pool.

, Sacrifice a creature: You gain 1 life.

Casting Cost: 

, : Put a charge counter on Magistrate's Scepter.

, Remove three charge counters from Magistrate's Scepter: Take an extra turn after this one.

Casting Cost: 

You may exile a blue card from your hand rather than pay Misdirection's mana cost.

Change the target of target spell with a single target.

Casting Cost: 

At the beginning of your upkeep, if Nether Spirit is the only creature card in your graveyard, you may return Nether Spirit to the battlefield.

: Add  to your mana pool.

, : Tap target land.

Casting Cost: 

Casting Cost:

Prevent all combat damage that would be dealt to and dealt by creatures you control.

Casting Cost: 

You may exile a black card from your hand rather than pay Unmask's mana cost.

Target player reveals his or her hand. You choose a nonland card from it. That player discards that card.