Molimo, Maro-Sorcerer

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Molimo's power and toughness are each equal to the number of lands you control.

Naturalize

Burgeoning

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

Squallmonger

{2}: This creature deals 1 damage to each creature with flying and each player. Any player may activate this ability.

New Frontiers

Each player may search their library for up to X basic land cards and put them onto the battlefield tapped. Then each player who searched their library this way shuffles.

Wood Elves

When this creature enters, search your library for a Forest card, put that card onto the battlefield, then shuffle.

Natural Affinity

All lands become 2/2 creatures until end of turn. They're still lands.

Overrun

Creatures you control get +3/+3 and gain trample until end of turn. (Each of those creatures can deal excess combat damage to the player or planeswalker it's attacking.)

Mulch

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

Horn of Greed

Whenever a player plays a land, that player draws a card.

Mountain Valley

This land enters tapped.
{T}, Sacrifice this land: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

Scorched Ruins

If this land would enter, sacrifice two untapped lands instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {C}{C}{C}{C}.

Gaea's Blessing

Target player shuffles up to three target cards from their graveyard into their library.
Draw a card.
When this card is put into your graveyard from your library, shuffle your graveyard into your library.

Sylvan Library

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

Gaea's Balance

As an additional cost to cast this spell, sacrifice five lands.
Search your library for a land card of each basic land type, put those cards onto the battlefield, then shuffle.

Renewal

As an additional cost to cast this spell, sacrifice a land.
Search your library for a basic land card, put that card onto the battlefield, then shuffle.
Draw a card at the beginning of the next turn's upkeep.

Enchantress's Presence

Whenever you cast an enchantment spell, draw a card.

Spitting Spider

Reach (This creature can block creatures with flying.)
Sacrifice a land: This creature deals 1 damage to each creature with flying.

Primeval Force

When this creature enters, sacrifice it unless you sacrifice three Forests.

Fortitude

Enchant creature
Sacrifice a Forest: Regenerate enchanted creature.
When this Aura is put into a graveyard from the battlefield, return it to its owner's hand.

Child of Gaea

Trample
At the beginning of your upkeep, sacrifice this creature unless you pay {G}{G}.
{1}{G}: Regenerate this creature.

Terminal Moraine

{T}: Add {C}.
{2}, {T}, Sacrifice this land: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Gaea's Bounty

Search your library for up to two Forest cards, reveal those cards, put them into your hand, then shuffle.

City of Traitors

When you play another land, sacrifice this land.
{T}: Add {C}{C}.

Collective Unconscious

Draw a card for each creature you control.

Regrowth

Return target card from your graveyard to your hand.

Kavu Lair

Whenever a creature with power 4 or greater enters, its controller draws a card.

Manabond

At the beginning of your end step, you may reveal your hand and put all land cards from it onto the battlefield. If you do, discard your hand.

Harvest Wurm

When this creature enters, sacrifice it unless you return a basic land card from your graveyard to your hand.

Skyshroud Claim

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Rampant Growth

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

Blanchwood Armor

Enchant creature
Enchanted creature gets +1/+1 for each Forest you control.

Squirrel Wrangler

{1}{G}, Sacrifice a land: Create two 1/1 green Squirrel creature tokens.
{1}{G}, Sacrifice a land: Squirrel creatures get +1/+1 until end of turn.

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Rath's Edge

{T}: Add {C}.
{4}, {T}, Sacrifice a land: Rath's Edge deals 1 damage to any target.

Summer Bloom

You may play up to three additional lands this turn.

Yavimaya Elder

When this creature dies, you may search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.
{2}, Sacrifice this creature: Draw a card.

Avenging Druid

Whenever this creature deals damage to an opponent, you may reveal cards from the top of your library until you reveal a land card. If you do, put that card onto the battlefield and put all other cards revealed this way into your graveyard.

Overlaid Terrain

As this enchantment enters, sacrifice all lands you control.
Lands you control have "{T}: Add two mana of any one color."

Seedborn Muse

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

Restock

Return two target cards from your graveyard to your hand. Exile Restock.

Howling Mine

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

Harrow

As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Far Wanderings

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Threshold — If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Titania, Protector of Argoth

When Titania enters, 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.

Kamahl, Fist of Krosa

{G}: Target land becomes a 1/1 creature until end of turn. It's still a land.
{2}{G}{G}{G}: Creatures you control get +3/+3 and gain trample until end of turn.

Primal Growth

Kicker—Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.)
Search your library for a basic land card, put that card onto the battlefield, then shuffle. If this spell was kicked, instead search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Explosive Vegetation

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Petrified Field

{T}: Add {C}.
{T}, Sacrifice this land: Return target land card from your graveyard to your hand.

Fabled Passage

{T}, Sacrifice this land: 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.

Constant Mists

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.

Nantuko Cultivator

When this creature enters, you may discard any number of land cards. Put that many +1/+1 counters on this creature and draw that many cards.

Living Lands

All Forests are 1/1 creatures that are still lands.

Rowen

Reveal the first card you draw each turn. Whenever you reveal a basic land card this way, draw a card.

Brawn

Trample
As long as this card is in your graveyard and you control a Forest, creatures you control have trample.

Crucible of Worlds

Compost

Whenever a black card is put into an opponent's graveyard from anywhere, you may draw a card.

Gaea's Touch

{0}: You may put a basic Forest card from your hand onto the battlefield. Activate only as a sorcery and only once each turn.
Sacrifice this enchantment: Add {G}{G}.

Krosan Wayfarer

Sacrifice this creature: You may put a land card from your hand onto the battlefield.

Zuran Orb

Nature's Revolt

All lands are 2/2 creatures that are still lands.

Foratog

{G}, Sacrifice a Forest: This creature gets +2/+2 until end of turn.

Sylvan Safekeeper

Sacrifice a land: Target creature you control gains shroud until end of turn. (It can't be the target of spells or abilities.)

Forest

Verduran Enchantress

Whenever you cast an enchantment spell, you may draw a card.

Wasteland

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

Whirlwind

Ambush Commander

Forests you control are 1/1 green Elf creatures that are still lands.
{1}{G}, Sacrifice an Elf: Target creature gets +3/+3 until end of turn.

Greater Good

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Elven Palisade

Sacrifice a Forest: Target attacking creature gets -3/-0 until end of turn.

Diligent Farmhand

{1}{G}, Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
If this card is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

Chain of Acid

Destroy target noncreature permanent. Then that permanent's controller may copy this spell and may choose a new target for that copy.

Vernal Bloom

Whenever a Forest is tapped for mana, its controller adds an additional {G}.

Nostalgic Dreams

As an additional cost to cast this spell, discard X cards.
Return X target cards from your graveyard to your hand. Exile Nostalgic Dreams.

Genesis

At the beginning of your upkeep, if this creature is in your graveyard, you may pay {2}{G}. If you do, return target creature card from your graveyard to your hand.

Courser of Kruphix

Play with the top card of your library revealed.
You may play lands from the top of your library.
Landfall — Whenever a land you control enters, you gain 1 life.

Groundskeeper

{1}{G}: Return target basic land card from your graveyard to your hand.

Heart of Yavimaya

If this land would enter, sacrifice a Forest instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {G}.
{T}: Target creature gets +1/+1 until end of turn.

Verdant Catacombs

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

Grasslands

This land enters tapped.
{T}, Sacrifice this land: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Terravore

Trample
Terravore's power and toughness are each equal to the number of land cards in all graveyards.

Exploration

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

Cartographer

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

Natural Balance

Each player who controls six or more lands chooses five lands they control and sacrifices the rest. Each player who controls four or fewer lands may search their library for up to X basic land cards and put them onto the battlefield, where X is five minus the number of lands they control. Then each player who searched their library this way shuffles.

Crop Rotation

As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, then shuffle.