Wash Out

Return all permanents of the color of your choice to their owners' hands.

Rolling Spoil

Destroy target land. If {B} was spent to cast this spell, all creatures get -1/-1 until end of turn.

Akki Underminer

Whenever this creature deals combat damage to a player, that player sacrifices a permanent of their choice.

Beast Within

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Roiling Terrain

Destroy target land, then Roiling Terrain deals damage to that land's controller equal to the number of land cards in that player's graveyard.

Rishadan Cutpurse

When this creature enters, each opponent sacrifices a permanent of their choice unless they pay {1}.

Avalanche Riders

Haste
Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When this creature enters, destroy target land.

Desert Twister

Spelltithe Enforcer

Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay {1}.

Rishadan Footpad

When this creature enters, each opponent sacrifices a permanent of their choice unless they pay {2}.

Melt Terrain

Destroy target land. Melt Terrain deals 2 damage to that land's controller.

Worldpurge

Return all permanents to their owners' hands. Each player chooses up to seven cards in their hand, then shuffles the rest into their library. Each player loses all unspent mana.

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Drain the Well

Crack the Earth

Each player sacrifices a permanent of their choice.

Mwonvuli Acid-Moss

Destroy target land. Search your library for a Forest card, put that card onto the battlefield tapped, then shuffle.

Despoil

Destroy target land. Its controller loses 2 life.

Craterize

Rishadan Brigand

Flying
When this creature enters, each opponent sacrifices a permanent of their choice unless they pay {3}.
This creature can block only creatures with flying.

Lux Cannon

{T}: Put a charge counter on this artifact.
{T}, Remove three charge counters from this artifact: Destroy target permanent.

Reap and Sow

Choose one —
• Destroy target land.
• Search your library for a land card, put that card onto the battlefield, then shuffle.
Entwine {1}{G} (Choose both if you pay the entwine cost.)

Rain of Tears

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.

Generous Gift

Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.

Combustion Man

Whenever Combustion Man attacks, destroy target permanent unless its controller has Combustion Man deal damage to them equal to his power.

Stone Rain

Ice Storm

Strip Mine

{T}: Add {C}.
{T}, Sacrifice this land: Destroy target land.

Smokestack

At the beginning of your upkeep, you may put a soot counter on this artifact.
At the beginning of each player's upkeep, that player sacrifices a permanent of their choice for each soot counter on this artifact.

Devastate

Destroy target land. Devastate deals 1 damage to each creature and each player.

Karmic Justice

Whenever a spell or ability an opponent controls destroys a noncreature permanent you control, you may destroy target permanent that opponent controls.

Clay Golem

{6}, Roll a d8: Monstrosity X, where X is the result. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)
Berserk — When this creature becomes monstrous, destroy target permanent.

Misguided Rage

Target player sacrifices a permanent of their choice.

Vindicate

Rancid Earth

Destroy target land.
Threshold — If there are seven or more cards in your graveyard, instead destroy that land and Rancid Earth deals 1 damage to each creature and each player.

Aether Barrier

Whenever a player casts a creature spell, that player sacrifices a permanent of their choice unless they pay {1}.

Thermokarst

Destroy target land. If that land was a snow land, you gain 1 life.

World Queller

At the beginning of your upkeep, you may choose a card type. If you do, each player sacrifices a permanent of their choice of that type.

Rubble Reading

Seismic Spike

Poison the Well

Destroy target land. Poison the Well deals 2 damage to that land's controller.

Winter's Grasp

Befoul

Destroy target land or nonblack creature. It can't be regenerated.

Volcanic Upheaval

Fade Away

For each creature, its controller sacrifices a permanent of their choice unless they pay {1}.