{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.

You may look at the top card of your library any time.

You may play lands from the top of your library.

Coven -- As long as you control three or more creatures with different powers, you may cast creature spells from the top of your library.

Choose two --

• Destroy all artifacts.

• Destroy all enchantments.

• Destroy all creatures with mana value 3 or less.

• Destroy all creatures with mana value 4 or greater.

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.

Landfall -- Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

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

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

When Cabaretti Courtyard enters the battlefield, sacrifice it. When you do, search your library for a basic Mountain, Forest, or Plains card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

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

Cinder Glade enters the battlefield tapped unless you control two or more basic lands.

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

Buyback--Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)

Prevent all combat damage that would be dealt this turn.

Play with the top card of your library revealed.

You may play lands from the top of your library.

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.

You may play lands from your graveyard.

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.

Flash

Mold Earth -- Whenever one or more lands enter the battlefield under an opponent's control without being played, you may search your library for a Plains card, put it onto the battlefield tapped, then shuffle. Do this only once each turn.

As an additional cost to cast this spell, discard X cards at random.

Each player sacrifices X lands. Devastating Dreams deals X damage to each creature.

You may play an additional land on each of your turns.

Lands you control are every basic land type in addition to their other types.

Deathtouch

Whenever Erinis, Gloom Stalker attacks, return target land card from your graveyard to the battlefield.

Choose a Background (You can have a Background as a second commander.)

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

You may play an additional land on each of your turns.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

Choose one or more --

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all graveyards.

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

Field of the Dead enters the battlefield tapped.

{T}: Add {C}.

Whenever Field of the Dead or another land enters the battlefield under your control, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

({T}: Add {G}.)

({T}: Add {G}.)

Play with the top card of your library revealed.

You may play lands and cast spells from the top of your library.

Look at the top five cards of your library. Put any number of permanent cards from among them onto the battlefield and the rest into your hand. Exile Genesis Ultimatum.

Each player chooses from the lands they control a land of each basic land type, then sacrifices the rest.

({T}: Add {W} or {U}.)

As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{G}, {T}: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

({T}: Add {U}.)

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

Jetmir's Garden enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

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

Ketria Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

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.

At the beginning of your end step, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.

Return up to three target land cards from your graveyard to your hand.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Landfall -- Whenever a land enters the battlefield under your control, add one mana of any color.

Play with the top card of your library revealed.

You may play lands and cast spells from the top of your library.

Whenever a player casts a spell, that player returns a land they control to its owner's hand.

When you cast this spell, counter it unless you sacrifice a land.

At the beginning of each player's upkeep, that player sacrifices a land.

When there are no lands on the battlefield, sacrifice Mana Vortex.

{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

Destroy each artifact with mana value X or less.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Each creature you control gets +1/+0 for each time it has attacked this turn.

Landfall -- Whenever a land enters the battlefield under your control, if it's your main phase, there's an additional combat phase after this phase. At the beginning of that combat, untap all creatures you control.

({T}: Add {R}.)

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

When Nissa, Vastwood Seer enters the battlefield, you may search your library for a basic Forest card, reveal it, put it into your hand, then shuffle.

Whenever a land enters the battlefield under your control, if you control seven or more lands, exile Nissa, then return her to the battlefield transformed under her owner's control.

+1: Reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand.

-2: Create Ashaya, the Awoken World, a legendary 4/4 green Elemental creature token.

-7: Untap up to six target lands. They become 6/6 Elemental creatures. They're still lands.

When Omnath, Locus of Creation enters the battlefield, draw a card.

Landfall -- Whenever a land enters the battlefield under your control, you gain 4 life if this is the first time this ability has resolved this turn. If it's the second time, add {R}{G}{W}{U}. If it's the third time, Omnath deals 4 damage to each opponent and each planeswalker you don't control.

Landfall -- Whenever a land enters the battlefield under your control, create a 5/5 red and green Elemental creature token.

Whenever Omnath, Locus of Rage or another Elemental you control dies, Omnath deals 3 damage to any target.

When Omnath, Locus of the Roil enters the battlefield, it deals damage to any target equal to the number of Elementals you control.

Landfall -- Whenever a land enters the battlefield under your control, put a +1/+1 counter on target Elemental you control. If you control eight or more lands, draw a card.

You may play an additional land on each of your turns.

Play with the top card of your library revealed.

You may play lands from the top of your library.

({T}: Add {W}.)

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

Magecraft -- Whenever you cast or copy an instant or sorcery spell, look at the top three cards of your library. You may reveal a land card from among them and put that card into your hand. Put the rest on the bottom of your library in any order.

As long as it's your turn, Radha, Heart of Keld has first strike.

You may look at the top card of your library any time, and you may play lands from the top of your library.

{4}{R}{G}: Radha gets +X/+X until end of turn, where X is the number of lands you control.

Trample

Landfall -- Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.

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

You may play lands from your graveyard.

({T}: Add {U}, {R}, or {W}.)

Raugrin Triome enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Put target land card from a graveyard onto the battlefield under your control.

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

As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

Sacrifice any number of lands. Search your library for up to that many land cards, put them onto the battlefield tapped, then shuffle.

Landfall -- Whenever a land enters the battlefield under your control, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.

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

Suspend 2--{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {W}.)

You may play an additional land on each of your turns.

Whenever you cast a spell, draw two cards.

At the beginning of your end step, discard your hand.

({T}: Add {G}, {W}, or {U}.)

Spara's Headquarters enters the battlefield tapped.

Cycling {3} ({3}, Discard this card: Draw a card.)

Return all land cards from your graveyard to the battlefield tapped.

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

As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

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

As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

Destroy all artifacts, then Structural Assault deals damage to each creature equal to the number of artifacts that were put into graveyards from the battlefield this turn.

Subterranean Tremors deals X damage to each creature without flying. If X is 4 or more, destroy all artifacts. If X is 8 or more, create an 8/8 red Lizard creature token.

Return all lands to their owners' hands.

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life and draw a card.

Each player sacrifices X lands.

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

As Temple Garden enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

You may look at the top card of your library any time.

As long as The Reality Chip is attached to a creature, you may play lands and cast spells from the top of your library.

Reconfigure {2}{U} ({2}{U}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Each player sacrifices a land for each card in your hand.

Search your library for a Forest card, put it onto the battlefield, then shuffle.

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

Landfall -- Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.

When Titania, Protector of Argoth enters the battlefield, return target land card from your graveyard to the battlefield.

Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.

Landfall -- Whenever a land enters the battlefield under your control, exile the top card of your library. You may play that card for as long as it remains exiled.

At the beginning of your end step, if there are cards exiled with Valakut Exploration, put them into their owner's graveyard, then Valakut Exploration deals that much damage to each opponent.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Whenever an artifact is put into an opponent's graveyard from the battlefield, you may draw a card.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

You may play an additional land on each of your turns.

Wayward Swordtooth can't attack or block unless you have the city's blessing.

Whenever you cast a noncreature spell, draw a card.

Each player sacrifices four lands. Wildfire deals 4 damage to each creature.

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Whenever World Shaper attacks, you may mill three cards.

When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.

+1: Reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

0: Put any number of land cards from your hand onto the battlefield tapped.

-3: Create a green Treefolk creature token with reach and "This creature's power and toughness are each equal to the number of lands you control."

-8: Return all permanent cards from your graveyard to your hand. You get an emblem with "You have no maximum hand size."

+1: Return up to one target land card from your graveyard to your hand.

-1: Wrenn and Six deals 1 damage to any target.

-7: You get an emblem with "Instant and sorcery cards in your graveyard have retrace." (You may cast instant and sorcery cards from your graveyard by discarding a land card in addition to paying their other costs.)

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