Return all attacking creatures to their owner's hand.

For each attacking creature, its owner puts it on the top or bottom of their library.

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.

Ashaya, Soul of the Wild's power and toughness are each equal to the number of lands you control.

Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.)

Azorius Guildgate enters the battlefield tapped.

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

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

Boros Guildgate enters the battlefield tapped.

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

Elemental spells and Warrior spells you cast cost {1} less to cast.

Reinforce 1--{1}{R} ({1}{R}, Discard this card: Put a +1/+1 counter on target creature.)

Reach

When Cavalier of Thorns enters the battlefield, reveal the top five cards of your library. Put a land card from among them onto the battlefield and the rest into your graveyard.

When Cavalier of Thorns dies, you may exile it. If you do, put another target card from your graveyard on top of your library.

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

Whenever City of Brass becomes tapped, it deals 1 damage to you.

{T}: Add one mana of any color.

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

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Other Elementals you control get +1/+0.

{2}{R}{G}: Creeping Trailblazer gets +1/+1 until end of turn for each Elemental you control.

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.

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.

Dimir Guildgate enters the battlefield tapped.

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

(Gain the next level as a sorcery to add its ability.)

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

{2}{G}: Level 2

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

{4}{G}: Level 3

When this Class becomes level 3, target land you control becomes a creature with haste and "This creature's power and toughness are each equal to the number of lands you control." It's still a land.

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.

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

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.

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

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

Vigilance

Faeburrow Elder gets +1/+1 for each color among permanents you control.

{T}: For each color among permanents you control, add one mana of that color.

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

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

When Flamekin Harbinger enters the battlefield, you may search your library for an Elemental card, reveal it, then shuffle and put that card on top.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Gateway Plaza enters the battlefield tapped.

When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.

{T}: Add one mana of any color.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Golgari Guildgate enters the battlefield tapped.

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

Draw a card. You may put a land card from your hand onto the battlefield.

Gruul Guildgate enters the battlefield tapped.

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

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.

Vigilance, trample, haste

{W}{U}{B}{R}{G}: You may play target Elemental card from your graveyard without paying its mana cost.

Other Elemental creatures you control get +1/+1.

{1}{R}, {T}: You may put an Elemental creature card from your hand onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Izzet Guildgate enters the battlefield tapped.

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

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.

{T}: Add {G}. If you control four or more creatures, add {G}{G} instead.

Trample

Whenever Liege of the Tangle deals combat damage to a player, you may choose any number of target lands you control and put an awakening counter on each of them. Each of those lands is an 8/8 green Elemental creature for as long as it has an awakening counter on it. They're still lands.

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.)

{1}{R}, Discard a land card: Living Twister deals 2 damage to any target.

{G}: Return a tapped land you control to its owner's hand.

Hexproof

Lotus Field enters the battlefield tapped.

When Lotus Field enters the battlefield, sacrifice two lands.

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

At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.

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

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

Cycling {2} ({2}, Discard this card: Draw a card.)

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

{R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn.

Creatures you control get +1/+1.

Whenever you tap a land for mana, add one mana of any type that land produced.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

{T}: Add one mana of any color among legendary creatures and planeswalkers you control.

During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard. (If a card has multiple permanent types, choose one as you play it.)

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.

Orzhov Guildgate enters the battlefield tapped.

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

When Overgrowth Elemental enters the battlefield, put a +1/+1 counter on another target Elemental you control.

Whenever another creature you control dies, you gain 1 life. If that creature was an Elemental, put a +1/+1 counter on Overgrowth Elemental.

Path of Ancestry enters the battlefield tapped.

{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

When Plaza of Harmony enters the battlefield, if you control two or more Gates, you gain 3 life.

{T}: Add {C}.

{T}: Add one mana of any type that a Gate you control could produce.

As Primal Beyond enters the battlefield, you may reveal an Elemental card from your hand. If you don't, Primal Beyond enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast an Elemental spell or activate an ability of an Elemental.

Rakdos Guildgate enters the battlefield tapped.

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

You may play lands from your graveyard.

Choose one --

• Destroy target land.

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

Entwine {1}{G} (Choose both if you pay the entwine cost.)

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

• You may tap or untap target creature.

• Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

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 Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

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

Channel -- {X}{G}{G}, Discard Roaring Earth: Put X +1/+1 counters on target land you control. It becomes a 0/0 green Spirit creature with haste. It's still a land.

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.

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

Rubblehulk's power and toughness are each equal to the number of lands you control.

Bloodrush -- {1}{R}{G}, Discard Rubblehulk: Target attacking creature gets +X/+X until end of turn, where X is the number of lands you control.

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

Selesnya Guildgate enters the battlefield tapped.

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

Simic Guildgate enters the battlefield tapped.

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

{T}: Add two mana in any combination of colors. Spend this mana only to cast Elemental spells or activate abilities of Elementals.

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

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

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Search your library for a land card, reveal it, put it into your hand, then shuffle.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Other Elementals you control have trample.

Flying

Whenever Torrent Elemental attacks, tap all creatures defending player controls.

{3}{B/G}{B/G}: Put Torrent Elemental from exile onto the battlefield tapped. Activate only as a sorcery.

{1}: Return target land you control to its owner's hand.

{1}, Discard a land card: Draw a card.

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.

Draw three cards. You may play an additional land this turn.

+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.)

Deathtouch, lifelink

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

When Yasharn enters the battlefield, search your library for a basic Forest card and a basic Plains card, reveal those cards, put them into your hand, then shuffle.

Players can't pay life or sacrifice nonland permanents to cast spells or activate abilities.

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

Zendikar Incarnate's power is equal to the number of lands you control.