Mercadian Masques

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

At the beginning of each player's upkeep, that player may put a +1/+1 counter on target creature of their choice.

Enchant creature Enchanted creature gets +1/+1 and has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

Enchant creature Whenever enchanted creature deals damage to a creature, gain control of the other creature for as long as Charisma remains on the ...

{X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control.

Enchant creature Shroud (A permanent with shroud can't be the target of spells or abilities.) Enchanted creature has shroud.

You have shroud. (You can't be the target of spells or abilities.)

{B}: Put target creature card from your graveyard on top of your library.

Enchant creature Whenever enchanted creature deals damage to a creature, gain control of the other creature for as long as Charisma remains on the ...

{X}{R}: This turn, creatures can't block unless their controller pays {X} for each blocking creature they control.

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on B...

{X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control.

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's mana value. Spend this mana only to cast creatur...

Whenever you cast a creature spell, you may pay {1}. If you do, draw a card, then discard a card.

Nonland permanents don't untap during their controllers' untap steps. At the beginning of your upkeep, you lose 2 life.

{W}, Pay 2 life: The next time a source of your choice would deal damage to you this turn, prevent that damage.

Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on B...

Exile a creature you control: Add X mana of any one color, where X is 1 plus the exiled creature's converted mana cost. Spend this mana only to cas...

Whenever a creature dies, you gain 1 life.

Flash Enchant creature As Cho-Manno's Blessing enters the battlefield, choose a color. Enchanted creature has protection from the chosen color. ...

Whenever a creature becomes the target of a spell or ability, return that creature to its owner's hand. (It won't be affected by the spell or abili...

{1}: Return target land you control to its owner's hand. {1}, Discard a land card: Draw a card.

Flash Enchant creature Enchanted creature has flying.

As Conspiracy enters the battlefield, choose a creature type. Creatures you control are the chosen type. The same is true for creature spells you ...