Each opponent loses X life. You gain life equal to the life lost this way.

Whenever a land an opponent controls is tapped for mana, tap all lands that player controls that could produce any type of mana that land could produce.

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.

Whenever a land enters, tap all lands its controller controls.

First strike, haste Whenever a player taps a land for mana, if this creature is tapped, that player adds one mana of any type that land produced. Then that land deals 1 damage to that player.

Whenever a player taps a nonbasic land for mana, this enchantment deals 1 damage to that player.

At the beginning of each player's end step, this enchantment deals X damage to that player, where X is the number of untapped lands they control.

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

Whenever a land an opponent controls enters, that player loses 1 life. Put a +1/+1 counter on this creature.

At the beginning of each player's upkeep, this enchantment deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.

This land enters tapped unless you control a Mountain. {T}: Add {R}. {R}, {T}, Exert this land: Add {R}{R}. If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)

({T}: Add {B} or {R}.)

({T}: Add {B} or {G}.)

This land enters tapped. When this land enters, exile target player's graveyard. {T}: Add {B}.

{2}, {T}: Add {B} for each Swamp you control.

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

You may have this land enter tapped as a copy of any land card in a graveyard, except it's a Cave in addition to its other types. {T}: Add {C}.

{T}: Add {C}. {R/G}, {T}: Add {R}{R}, {R}{G}, or {G}{G}.

({T}: Add {G}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {B}{G}.

{T}: Add {C}. {B/R}, {T}: Add {B}{B}, {B}{R}, or {R}{R}.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {R}{G}.

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

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {B}{R}.

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

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

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

({T}: Add {B}.)

({T}: Add {R} or {G}.)

{T}: Add {C}{C}. Activate only if you control five or more lands.

{T}: Add {C}. {2}, {T}: This land becomes a copy of target land, except it has this ability.

{T}: Add {C}. {B/G}, {T}: Add {B}{B}, {B}{G}, or {G}{G}.

Each land is a Swamp in addition to its other land types.

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

If you would create a Clue, Food, or Treasure token, instead create one of each.

Lands you control have "{T}: Create a Treasure token."

{T}, Sacrifice one or more artifacts: Choose a color. Target player adds three mana of the chosen color for each artifact sacrificed this way.

Landfall — Whenever a land you control enters, create a Food token or a Treasure token. (Food is an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life." Treasure is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Whenever an opponent casts a spell, that player loses 5 life unless they discard a card.

Join forces — Starting with you, each player may pay any amount of mana. Each player searches their library for up to X basic land cards, where X is the total amount of mana paid this way, puts them onto the battlefield tapped, then shuffles.

Flash Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

At the beginning of each player's first main phase, that player adds {G}{G}.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

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

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

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

If you would lose unspent mana, that mana becomes colorless instead.

Whenever a player taps a Mountain, Forest, or Plains for mana, that player adds one mana of any type that land produced.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Flying You don't lose unspent red mana as steps and phases end. When this creature dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.

{X}, {T}: Untap X target lands.

At the beginning of each player's first main phase, that player adds {G}{G}.

Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

If you tap a permanent for mana, it produces twice as much of that mana instead.

Trample If you tap a permanent for mana, it produces three times as much of that mana instead.

You don't lose unspent green mana as steps and phases end. Omnath gets +1/+1 for each unspent green mana you have.

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

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

Untap all permanents you control during each other player's untap step.

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

{1}, {T}: Untap target creature that has an activated ability with {T} in its cost.

{T}: Add one mana of any color. {1}, {T}: Untap target legendary creature you control.

{1}: Untap this artifact. {2}, {T}: You gain 1 life. {3}, {T}: Untap target creature. {4}, {T}: Tap target creature. {5}, {T}: Draw a card.

You may activate abilities of creatures you control as though those creatures had haste. {1}, {T}: Untap target creature.

Whenever you're dealt damage, you may put that many charge counters on this artifact. {2}, {T}, Remove four charge counters from this artifact: You gain 2 life and draw a card.

Players have no maximum hand size. At the beginning of each player's draw step, that player draws an additional card, then discards a card.

At the beginning of your upkeep, the Ring tempts you. Whenever you choose a creature as your Ring-bearer, you may pay 2 life. If you do, draw a card.

At the beginning of each player's draw step, that player draws an additional card. Each player may play an additional land on each of their turns.

Whenever an opponent casts a noncreature spell, this enchantment deals 1 damage to that player. {1}, Sacrifice this enchantment: Destroy target artifact or enchantment. This enchantment deals 2 damage to that permanent's controller.

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.) Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Destroy target artifact or enchantment.

Lavalanche deals X damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.

Destroy target artifact or creature. It can't be regenerated.

Choose one — • Exile target player's graveyard. • Destroy target artifact. • Each creature deals 1 damage to its controller.

Destroy target creature. It can't be regenerated.