Shattered Sanctum

This land enters tapped unless you control two or more other lands.
{T}: Add {W} or {B}.

Karlov of the Ghost Council

Whenever you gain life, put two +1/+1 counters on Karlov.
{W}{B}, Remove six +1/+1 counters from Karlov: Exile target creature.

Black creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

({T}: Add {W} or {B}.)
As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped unless you control two or fewer other lands.
{T}: Add {W} or {B}.

{T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

Target opponent reveals their hand. You choose a nonland card from it and exile that card.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Defender (This creature can't attack.)
Pay 1 life: This creature gets +1/+1 until end of turn.

This creature enters tapped.
You may cast this card from your graveyard if you gained life this turn.

Sacrifice a creature: Add one mana of any color.

{T}: Add {C}.
{T}: Add {W} or {B}. This land deals 1 damage to you.