Return each creature card with mana value X from your graveyard to the battlefield.

Vigilance

Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Whenever you gain life, put two +1/+1 counters on Karlov of the Ghost Council.

{W}{B}, Remove six +1/+1 counters from Karlov of the Ghost Council: Exile target creature.

Flying

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Vigilance

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Knight of Sorrows can block an additional creature each combat.

Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

{3}, Sacrifice another nontoken creature: Create a 1/1 white and black Spirit creature token with flying.

Afterlife 3 (When this creature dies, create three 1/1 white and black Spirit creature tokens with flying.)

Sacrifice a creature: Creatures you control get +1/+1 until end of turn.

Choose one —

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all planeswalkers.

Afterlife 2 (When this creature dies, create two 1/1 white and black Spirit creature tokens with flying.)

{2}, {T}: Exile target card from a graveyard.

{2}{W}{B}, {T}, Sacrifice Moratorium Stone: Exile target nonland card from a graveyard, all other cards from graveyards with the same name as that card, and all permanents with that name.

Destroy target creature or enchantment.

({W/B} can be paid with either {W} or {B}.)

Flying

Whenever Mourning Thrull deals damage, you gain that much life.

When Obzedat, Ghost Council enters the battlefield, target opponent loses 2 life and you gain 2 life.

At the beginning of your end step, you may exile Obzedat. If you do, return it to the battlefield under its owner’s control at the beginning of your next upkeep. It gains haste.

Return target permanent card from your graveyard to the battlefield.

Enchant creature

Enchanted creature can’t attack or block, and its activated abilities can’t be activated.

At the beginning of the upkeep of enchanted creature’s controller, that player loses 1 life.

{T}: Add {C}.

{3}{W}{B}, {T}: Target player loses 1 life and you gain 1 life.

Orzhov Basilica enters the battlefield tapped.

When Orzhov Basilica enters the battlefield, return a land you control to its owner’s hand.

{T}: Add {W}{B}.

Choose one —

• Return target creature you control and all Auras you control attached to it to their owner’s hand.

• Destroy target creature and you lose life equal to its toughness.

• Return target creature card with mana value 1 or less from your graveyard to the battlefield.

{T}: Add {W} or {B}.

{W}{B}, {T}, Sacrifice Orzhov Cluestone: Draw a card.