(: Add or .)

Canyon Slough enters tapped.

Cycling (, Discard this card: Draw a card.)

As Cavern of Souls enters, choose a creature type.

: Add .

: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

: Add .

Other Caves you control have ", Pay 1 life: Add one mana of any color."

Hidden Volcano enters tapped.

: Add .

, , Sacrifice Hidden Volcano: Discover 4. Activate only as a sorcery. (Exile cards from the top of your library until you exile a nonland card with mana value 4 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

, Pay 1 life: Add or .

, : Mount Doom deals 1 damage to each opponent.

, , Sacrifice Mount Doom and a legendary artifact: Choose up to two creatures, then destroy the rest. Activate only as a sorcery.

: Add .

, : Add one mana of any color in your commander's color identity. If you spend this mana to cast your commander, it enters with a number of additional +1/+1 counters on it equal to the number of times it's been cast from the command zone this game.

When Primaris Eliminator enters, choose one —

• Executioner Round — Destroy target creature.

• Hyperfrag Round — Creatures target player controls get -2/-2 until end of turn.

(: Add or .)

Smoldering Marsh enters tapped unless you control two or more basic lands.

This land enters tapped.

When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

: Add or .

: Add .

: Add or . Underground River deals 1 damage to you.