Fetid Pools

(: Add or .)
Fetid Pools enters the battlefield tapped.
Cycling (, Discard this card: Draw a card.)

Hashep Oasis

: Add .
, Pay 1 life: Add .
, , Sacrifice a Desert: Target creature gets +3/+3 until end of turn. Activate this ability only any time you could cast a sorcery.

Bontu’s Monument

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

Hour of Promise

Search your library for up to two land cards, put them onto the battlefield tapped, then shuffle your library. Then if you control three or more Deserts, create two 2/2 black Zombie creature tokens.

Sentinel of the Pearl Trident

Flash
When Sentinel of the Pearl Trident enters the battlefield, you may exile target historic permanent you control. If you do, return that card to the battlefield under its owner’s control at the beginning of the next end step. (Artifacts, legendaries, and Sagas are historic.)

Ash Barrens

: Add .
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle your library.)

Abrade

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Thriving Isle

Thriving Isle enters the battlefield tapped.
As Thriving Isle enters the battlefield, choose a color other than blue.
: Add or one mana of the chosen color.

Blossoming Sands

Blossoming Sands enters the battlefield tapped.
When Blossoming Sands enters the battlefield, you gain 1 life.
: Add or .

Raugrin Triome

(: Add , , or .)
Raugrin Triome enters the battlefield tapped.
Cycling (, Discard this card: Draw a card.)

Tranquil Cove

Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
: Add or .