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

Landfall -- Whenever a land enters the battlefield under your control, you may draw a card.

Landfall -- Whenever a land enters the battlefield under your control, you may pay {2}{R}. If you do, create a 3/1 red Elemental creature token with trample and haste. Exile that token at the beginning of the next end step.

Reach

You may play lands from your graveyard.

If a land entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

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

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.

Azorius Chancery enters the battlefield tapped.

When Azorius Chancery enters the battlefield, return a land you control to its owner's hand.

{T}: Add {W}{U}.

You may play two additional lands on each of your turns.

Equipped creature gets +1/+1 for each land you control.

Equip legendary creature {3}

Equip {7}

Boros Garrison enters the battlefield tapped.

When Boros Garrison enters the battlefield, return a land you control to its owner's hand.

{T}: Add {R}{W}.

Draw three cards, then put two cards from your hand on top of your library in any order.

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

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.

Landfall -- Whenever a land enters the battlefield under your control, creatures you control get +1/+1 until end of turn.

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.

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

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

You may play lands from your graveyard.

{T}: Choose target nonland permanent card in your graveyard. If you haven't cast a spell this turn, you may cast that card. If you do, you can't cast additional spells this turn. Activate only as a sorcery.

Counter target spell.

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 an additional land on each of your turns.

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

Flying

Landfall -- Whenever a land enters the battlefield under your control, you may create a 1/1 white Bird creature token with flying.

Eternity Vessel enters the battlefield with X charge counters on it, where X is your life total.

Landfall -- Whenever a land enters the battlefield under your control, you may have your life total become the number of charge counters on Eternity Vessel.

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.

Landfall -- Whenever a land enters the battlefield under your control, choose one --

• Create a 2/2 white Cat Beast creature token.

• Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.

Counter target spell.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

First strike

Landfall -- Whenever a land enters the battlefield under your control, goad each creature target player controls. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.

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

Landfall -- Whenever a land enters the battlefield under your control, you may gain 2 life.

Protection from planeswalkers and from Wizards

Greensleeves, Maro-Sorcerer's power and toughness are each equal to the number of lands you control.

Landfall -- Whenever a land enters the battlefield under your control, create a 3/3 green Badger creature token.

Trample

Landfall -- Whenever a land enters the battlefield under your control, Grove Rumbler gets +2/+2 until end of turn.

Gruul Turf enters the battlefield tapped.

When Gruul Turf enters the battlefield, return a land you control to its owner's hand.

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

Hinterland Harbor enters the battlefield tapped unless you control a Forest or an Island.

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

Landfall -- Whenever a land enters the battlefield under your control, you may put a quest counter on Ior Ruin Expedition.

Remove three quest counters from Ior Ruin Expedition and sacrifice it: Draw two cards.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

{T}: Add {U}{R}.

Defender

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

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

When Khalni Gem enters the battlefield, return two lands you control to their owner's hand.

{T}: Add two mana of any one color.

{T}: You may put a land card from your hand onto the battlefield.

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

When Maestros Theater enters the battlefield, sacrifice it. When you do, search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

{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}.)

({T}: Add {R}.)

({T}: Add {R}.)

Draw two cards.

Landfall -- If you had a land enter the battlefield under your control this turn, draw three cards instead.

When Obscura Storefront enters the battlefield, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

At the beginning of combat on your turn, up to one target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is Obuun's power. It's still a land.

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

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.

When Phylath, World Sculptor enters the battlefield, create a 0/1 green Plant creature token for each basic land you control.

Landfall -- Whenever a land enters the battlefield under your control, put four +1/+1 counters on target Plant you control.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Look at the top three cards of your library, then put them back in any order. You may shuffle.

Draw a card.

Whenever you cast a creature spell, create a 3/3 green Beast creature token.

Whenever you cast a noncreature spell, put three +1/+1 counters on target creature you control.

Landfall -- Whenever a land enters the battlefield under your control, you gain 3 life.

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

Trample

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

You may play lands from your graveyard.

Landfall -- Whenever a land enters the battlefield under your control, choose one --

• Put a +1/+1 counter on target creature.

• You gain 2 life.

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

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

Flying

Landfall -- Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.

Rootbound Crag enters the battlefield tapped unless you control a Mountain or a Forest.

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

{T}: You may put a land card from your hand onto the battlefield.

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.

Landfall -- Whenever a land enters the battlefield under your control, you may pay {2}. If you do, draw a card.

Selesnya Sanctuary enters the battlefield tapped.

When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand.

{T}: Add {G}{W}.

{1}: Look at the top three cards of your library, then put them back in any order.

{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.

Simic Growth Chamber enters the battlefield tapped.

When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.

{T}: Add {G}{U}.

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

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.

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

Sunpetal Grove enters the battlefield tapped unless you control a Forest or a Plains.

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

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

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, Tunneling Geopede deals 1 damage to each opponent.

If damage would be dealt to Undergrowth Champion while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from Undergrowth Champion.

Landfall -- Whenever a land enters the battlefield under your control, put a +1/+1 counter on Undergrowth Champion.

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 Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

+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."

Landfall -- Whenever a land enters the battlefield under your control, create a 2/2 green Elemental creature token.