This land enters tapped unless you control two or fewer other lands. {T}: Add {B} or {R}.

({T}: Add {R} or {G}.) This land enters tapped unless you control two or more basic lands.

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

This land enters tapped. Indestructible {T}: Add {B} or {G}.

As this land enters, you may reveal a Swamp or Mountain card from your hand. If you don't, this land enters tapped. {T}: Add {B} or {R}.

({T}: Add {G}.)

As this land enters, you may reveal a Mountain or Forest card from your hand. If you don't, this land enters tapped. {T}: Add {R} or {G}.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {G}. {G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

({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 unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

This land enters tapped. {T}: Add {B}, {R}, or {G}.

({T}: Add {B} or {R}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

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

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

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

{T}: Choose a player. That player adds one mana of any color they choose.

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

As long as equipped creature is tapped, tapped creatures you control get +2/+0. As long as equipped creature is untapped, untapped creatures you control get +0/+2. {3}: You may tap or untap equipped creature. Equip {3}

{T}: Add {C}. {T}: Add {B} or {G}. This artifact deals 1 damage to you.

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

Equipped creature has "{3}, {Q}: This creature gets +2/+2 until end of turn." ({Q} is the untap symbol.) Equip {0}

Acidic Soil deals damage to each player equal to the number of lands they control.

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.

Cleave {1}{B}{B}{G} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Search your library for a [basic land] card, [reveal it,] put it into your hand, then shuffle.

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

Search your library for a card, put that card into your hand, then shuffle. You lose 3 life.

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

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

Treacherous Terrain deals damage to each opponent equal to the number of lands that player controls. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

At the beginning of each postcombat main phase, the active player adds {C}{C} for each of your opponents who lost life this turn. (Damage causes loss of life.)

Indestructible Whenever this creature is dealt damage, it deals that much damage to target opponent. {2}{R}, {T}: This creature fights another target creature.

When this creature enters, add {R}{G}.

Whenever a player activates an ability that isn't a mana ability, this creature deals 1 damage to that player.

Players can cast spells only during their own turns.

{T}: Add {G}.

When this creature enters, you may return target card from your graveyard to your hand.

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

Whenever an opponent activates an ability of an artifact, creature, or land on the battlefield, if it isn't a mana ability, this creature deals 2 damage to that player.

Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, this creature deals 1 damage to that player. {3}{R}{R}: This creature gets +3/+3 and gains menace until end of turn.

Whenever an opponent casts a spell, Kaervek deals damage equal to that spell's mana value to any target.

When Kardur enters, until your next turn, creatures your opponents control attack each combat if able and attack a player other than you if able. Whenever an attacking creature dies, each opponent loses 1 life and you gain 1 life.

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.

Haste; fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever this creature deals combat damage to a player, put a charge counter on it. At the beginning of your end step, this creature deals damage equal to the number of charge counters on it to each opponent.

{T}: Add {G}.

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

Indestructible As long as your devotion to black and red is less than seven, Mogis isn't a creature. At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature of their choice.

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

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

When this creature enters, each opponent may search their library for up to three basic land cards. They each put one of those cards onto the battlefield tapped under your control and the rest onto the battlefield tapped under their control. Then each player who searched their library this way shuffles.

Vigilance, reach Ruric Thar attacks each combat if able. Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player.

{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on this creature and you gain 1 life.

{T}: Untap target creature.

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

Menace At the beginning of your upkeep, each player draws a card and loses 1 life.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Flying {B}{R}{G}, {T}: Target player draws a card.

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 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.

Shroud (This enchantment can't be the target of spells or abilities.) {X}: Put X tower counters on this enchantment. At the beginning of your upkeep, if there are 100 or more tower counters on this enchantment, you win the game.

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

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.

At the beginning of each player's draw step, that player draws an additional card. Whenever a player draws a card, this enchantment deals 1 damage to that player.

At the beginning of each player's upkeep, this enchantment deals 2 damage to that player. If a player would gain life, that player gains no life instead.

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

Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

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

This spell costs {1} less to cast for each creature that died this turn. Discard your hand, then draw eight cards. Blood for the Blood God! deals 8 damage to each opponent. Exile Blood for the Blood God!

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player 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.

Each opponent sacrifices a creature or planeswalker with the highest mana value among creatures and planeswalkers they control.