This land enters tapped unless you control a Mountain. {T}: Add {R}. {R}, {T}, Exert this land: Add {R}{R}. If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.)

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

{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.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Destroy target nonbasic land an opponent controls. Each player searches their library for a basic land card, puts it onto the battlefield, then shuffles.

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This land enters tapped. {T}: Add {R}. {R}, {T}: You may play the exiled card without paying its mana cost if an opponent was dealt 7 or more damage this turn.

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

This land enters tapped. Whenever a Mountain you control enters, if you control at least five other Mountains, you may have this land deal 3 damage to any target. {T}: Add {R}.

When this creature enters, you may search your library for an artifact card, put it into your graveyard, then shuffle. {R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield.

Searing Blaze deals 1 damage to target player or planeswalker and 1 damage to target creature that player or that planeswalker's controller controls. Landfall — If you had a land enter the battlefield under your control this turn, Searing Blaze deals 3 damage to that player or planeswalker and 3 damage to that creature instead.

Landfall — Whenever a land you control enters, equipped creature gets +2/+2 until end of turn. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Flying Landfall — Whenever a land you control enters, this creature deals 1 damage to any target. If that land is a Mountain, this creature deals 2 damage instead.

First strike Landfall — Whenever a land you control enters, 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.)

Haste Landfall — Whenever a land you control enters, this creature gains battle cry until end of turn. (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn. Each instance of battle cry triggers separately.)

Landfall — Whenever a land you control enters, this creature deals 1 damage to each opponent.

Landfall — Whenever a land you control enters, this creature deals 1 damage to each opponent.

Landfall — Whenever a land you control enters, this creature gets +2/+2 until end of turn.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Destroy all nonbasic lands. For each land destroyed this way, its controller may search their library for a basic land card and put it onto the battlefield. Then each player who searched their library this way shuffles.

Flying When this creature enters, it deals damage to any target equal to the number of Mountains you control.

Spire Barrage deals damage to any target equal to the number of Mountains you control.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

Trample When Themberchaud enters, he deals X damage to each other creature without flying and each player, where X is the number of Mountains you control. You may exert Themberchaud as he attacks. When you do, he gains flying until end of turn. (An exerted creature won't untap during your next untap step.)

Equipped creature gets +1/+1 for each land you control. Equip legendary creature {3} Equip {7}

You may sacrifice a Mountain rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn, where X is the number of Mountains you control.

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle. Draw a card.

Sacrifice any number of lands. Reveal the top X cards of your library, where X is the number of lands sacrificed this way. Choose any number of artifact and/or land cards revealed this way. Put all nonland cards chosen this way onto the battlefield, then put all land cards chosen this way onto the battlefield tapped, then put the rest on the bottom of your library in a random order.

Sacrifice X lands. For each land sacrificed this way, draw a card. You may play X additional lands this turn. Lands you control enter tapped this turn.

Landfall — Whenever a land you control enters, you may pay {2}. If you do, draw a card.

Landfall — Whenever a land you control enters, 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 this enchantment, put them into their owner's graveyard, then this enchantment deals that much damage to each opponent.

Each player secretly chooses a number 0 or greater, then all players reveal those numbers simultaneously and determine the highest and lowest numbers revealed this way. Wheel of Misfortune deals damage equal to the highest number to each player who chose that number. Each player who didn't choose the lowest number discards their hand, then draws seven cards.

Living weapon (When this Equipment enters, create a 0/0 black Phyrexian Germ creature token, then attach this to it.) Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {3}

For each land you control, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

{T}: Add {R}. As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

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

Whenever equipped creature attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

+1: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land. −2: Add {R} for each Mountain you control. −5: You get an emblem with "Mountains you control have '{T}: This land deals 1 damage to any target.'"

+2: Search your library for a basic Mountain card, reveal it, put it into your hand, then shuffle. −3: Koth deals damage to target creature equal to the number of Mountains you control. −7: You get an emblem with "Whenever a Mountain you control enters, this emblem deals 4 damage to any target."

{2}, {T}, Sacrifice this artifact: Search your library for up to two basic land cards and/or Gate cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control.

Red spells you cast cost {1} less to cast.

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

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

Equipped creature gets +2/+2 and has protection from green and from white. Whenever equipped creature deals combat damage to a player, exile up to one target creature you own, then search your library for a basic land card. Put both cards onto the battlefield under your control, then shuffle. Equip {2}

Equipped creature gets +1/+1. Whenever equipped creature attacks, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Equip {2}