{T}: Add {G}. Channel — {1}{G}, Discard this card: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.

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

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

This land enters tapped unless you control a Swamp or a Mountain. {T}: Add {B} or {R}.

{T}: Add one mana of any color that a land an opponent controls could produce.

({T}: Add {G}.)

{T}: Add {C}. {X}{R}{G}, {T}: Target creature gets +X/+0 and gains trample until end of turn.

This land enters tapped unless you have two or more opponents. {T}: Add {B} or {R}.

({T}: Add {R}.)

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

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}.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {G}.

({T}: Add {B}.)

This land enters tapped unless you have two or more opponents. {T}: Add {B} or {G}.

This land enters tapped unless you control a Swamp or a Forest. {T}: Add {B} or {G}.

Whenever a land enters, this artifact deals 2 damage to that land's controller.

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

At the beginning of each player's first main phase, if this artifact is untapped, that player adds {C} for each artifact they control.

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

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

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

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

{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.

Banefire deals X damage to any target. If X is 5 or more, this spell can't be countered and the damage can't be prevented.

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.

Crackle with Power deals five times X damage to each of up to X targets.

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

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

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.) Jaya's Immolating Inferno deals X damage to each of up to three targets.

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 Forest card, put that card onto the battlefield, then shuffle.

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

Create X 1/1 black Rat creature tokens with "This token can't block." Creatures you control gain haste until end of turn.

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.)

Players can cast spells only during their own turns.

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.

Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) {T}: Add {B}, {R}, or {G}.

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.

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.

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

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

Flash When this creature enters and whenever an opponent draws a card except the first one they draw in each of their draw steps, this creature deals 1 damage to any target. Then amass Orcs 1.

Flying Whenever a player casts a spell, they lose 1 life for each spell they've cast this turn.

Whenever an opponent activates an ability of a creature or land that isn't a mana ability, you may draw a card.

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

{T}: Untap target creature.

If a source you control would deal noncombat damage to an opponent or a permanent an opponent controls, it deals double that damage to that player or permanent instead. {1}{R/P}{R/P}, Discard two cards: Put an indestructible counter on Solphim. ({R/P} can be paid with either {R} or 2 life.)

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

When this creature dies, each player may search their library for up to two basic land cards, put them onto the battlefield, then shuffle.

{T}: Add {G}. Whenever you tap this creature for mana, it deals 1 damage to each opponent.

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

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.

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.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

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}.

Whenever an opponent loses life, you gain that much life.

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

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.

If this card is in your opening hand, you may begin the game with it on the battlefield. Whenever you tap a creature for mana, add an additional {G}. {6}{G}{G}: Put a +1/+1 counter on each creature you control.

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.

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

Whenever a player taps a land for mana, that player adds one mana of any type that land produced, and this enchantment deals 1 damage to the player.

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 draw step, that player draws an additional card. Each player may play an additional land on each of their turns.

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

Whenever an opponent taps a land for mana, tap all lands that player controls. If a creature an opponent controls attacks, all creatures that opponent controls attack if able.

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

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.

Permanents you control gain hexproof and indestructible until end of turn.

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.