Each player separates all nontoken lands they control into two piles. For each player, one of their piles is chosen by one of their opponents of their choice. Destroy all lands in the chosen piles. Tap all lands in the other piles.

Destroy target land.

Exile all artifacts, creatures, and lands from the battlefield, all cards from all graveyards, and all cards from all hands. Cycling {5}{R}{R} ({5}{R}{R}, Discard this card: Draw a card.) When you cycle this card, destroy all lands.

Detritivore's power and toughness are each equal to the number of nonbasic land cards in your opponents' graveyards. Suspend X—{X}{3}{R}. X can't be 0. (Rather than cast this card from your hand, you may pay {X}{3}{R} and exile it with X time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.) Whenever a time counter is removed from this card while it's exiled, destroy target nonbasic land.

Destroy all creatures and lands.

Buyback—Pay 3 life, Discard a card at random. (You may pay 3 life and discard a card at random in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Destroy target land.

At the beginning of your upkeep, if there are seven or more lands on the battlefield, sacrifice this enchantment and destroy all lands.

{1}{R}, {T}: Put a mine counter on target land. Whenever a land with a mine counter on it becomes tapped, destroy it. When this creature leaves the battlefield, remove all mine counters from all lands.

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.

As an additional cost to cast this spell, sacrifice a land. Destroy target land.

Destroy target land. Add {R}{R}.

Enchant Swamp When enchanted land becomes tapped, destroy it. When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Enchant land When enchanted land becomes tapped, destroy it and this Aura deals 1 damage to that land's controller. That player attaches this Aura to a land of their choice.

Destroy target land.

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

Destroy target land and all other lands with the same name as that land.

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroyed by damage.)

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color. {T}: Put a charge counter on this artifact. At the beginning of your first main phase, remove all charge counters from this artifact. Add one mana of any color for each charge counter removed this way.

This artifact enters tapped. As this artifact enters, choose a color. {T}: Add one mana of the chosen color.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

Indestructible Once each turn, you may pay {0} rather than pay the mana cost for a colorless spell you cast from your hand.

This artifact enters tapped. {T}: Add {R}.

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {R} or {G}.

{T}: Add {G}.

{T}: Add three mana of any one color.

Each spell you cast that's red or green costs {1} less to cast.

{1}, {T}: Add {R}{G}.

Indestructible As long as your devotion to red and green is less than seven, Klothys isn't a creature. At the beginning of your first main phase, exile target card from a graveyard. If it was a land card, add {R} or {G}. Otherwise, you gain 2 life and Klothys deals 2 damage to each opponent.

{T}: Add {G}.

This artifact enters tapped. {T}: Add {G}.

Haste (This creature can attack and {T} as soon as it comes under your control.) Whenever Ruby attacks while you control a creature with power 4 or greater, Ruby gets +2/+2 until end of turn. {T}: Add {R} or {G}.

{T}: Add {C}{C}.

{3}, {T}: Create a colorless snow artifact token named Icy Manalith with "{T}: Add one mana of any color." {6}{R}{G}, {T}: Look at the top four cards of your library. You may cast a spell from among them without paying its mana cost. Put the rest on the bottom of your library in a random order.

You have no maximum hand size. {T}: Add {C}.

If you would draw a card, you may instead choose land or nonland and reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and put all other cards revealed this way on the bottom of your library in any order.

Target creature gains trample until end of turn. Draw a card.

Creatures you control gain trample until end of turn. (Each of those creature can deal excess combat damage to the player or planeswalker it's attacking.) Draw a card.

Target creature gains haste until end of turn. Draw a card.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Add two mana in any combination of colors. Draw a card.

This spell can't be countered. Indestructible Toski attacks each combat if able. Whenever a creature you control deals combat damage to a player, draw a card.

Destroy target artifact, creature, or land. Aftershock deals 3 damage to you.

Destroy all artifacts.

Destroy target artifact, enchantment, or land.

Destroy target artifact, target creature, target enchantment, and target land. (You can't cast this spell unless you have legal choices for all its targets.)

Destroy target artifact or land.

Destroy target enchantment or land.

{2}{R}, {T}: Destroy target nonbasic land. Morph {R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Destroy target artifact or land. Creatures without flying can't block this turn.

When this creature enters, destroy target land.

Destroy all artifacts, creatures, and lands. They can't be regenerated.

Enchant land When enchanted land becomes tapped, destroy it. That land's controller may attach this Aura to a land of their choice.

Destroy target land. Cycling {2} ({2}, Discard this card: Draw a card.)

This artifact enters tapped. {1}, {T}: Destroy all artifacts, creatures, and enchantments.

This spell can't be countered. Destroy all artifacts, creatures, and lands. They can't be regenerated.

You may sacrifice two Mountains rather than pay this spell's mana cost. Destroy all artifacts.

Destroy all nonbasic lands.

Indestructible {T}: Add {C}. {5}, {T}: Add five mana in any combination of colors.

({T}: Add {G}.)

({T}: Add {R}.)

Nonbasic lands are Mountains.

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

At the beginning of each player's end step, that player sacrifices an untapped land of their choice.