+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.'"

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

Whenever a player casts a red spell, you may gain 1 life.

Equipped creature has double strike. (It deals both first-strike and regular combat damage.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Equipped creature gets +3/+0 and has trample and lifelink. Equip {3}

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

{T}, Sacrifice Panic Spellbomb: Target creature can't block this turn. When Panic Spellbomb is put into a graveyard from the battlefield, you may pay {R}. If you do, draw a card.

{T}: Add {C}. You gain 1 life.

{R}, Sacrifice Pyrite Spellbomb: It deals 2 damage to any target. {1}, Sacrifice Pyrite Spellbomb: Draw a card.

Whenever you cast a red spell or a Mountain enters the battlefield under your control, you gain 1 life.

Imprint — When Strata Scythe enters the battlefield, search your library for a land card, exile it, then shuffle. Equipped creature gets +1/+1 for each land on the battlefield with the same name as the exiled card. Equip {3}

Whenever you're dealt damage, put that many charge counters on Sun Droplet. At the beginning of each upkeep, you may remove a charge counter from Sun Droplet. If you do, you gain 1 life.

Flying Landfall — Whenever a land enters the battlefield under your control, Akoum Hellkite deals 1 damage to any target. If that land is a Mountain, Akoum Hellkite deals 2 damage instead.

{T}: Add one mana of any color.

Haste As long as Anger is in your graveyard and you control a Mountain, creatures you control have haste.

Earth Servant gets +0/+1 for each Mountain you control.

Flying When Fire Dragon enters the battlefield, it deals damage to target creature equal to the number of Mountains you control.

Flying, haste {1}{R}: Hellkite Igniter gets +X/+0 until end of turn, where X is the number of artifacts you control.

{T}: Add {R}.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

When Magma Giant enters the battlefield, it deals 2 damage to each creature and each player.

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens. Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

Affinity for Mountains (This spell costs {1} less to cast for each Mountain you control.) Haste

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

When Precursor Golem enters the battlefield, create two 3/3 colorless Golem artifact creature tokens. Whenever a player casts an instant or sorcery spell that targets only a single Golem, that player copies that spell for each other Golem that spell could target. Each copy targets a different one of those Golems.

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

Flying When Spawn of Thraxes enters the battlefield, it deals damage to any target equal to the number of Mountains you control.

Flying {2}: Steel Hellkite gets +1/+0 until end of turn. {X}: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by Steel Hellkite this turn. Activate only once each turn.

Whenever a land enters the battlefield under an opponent's control, if that player had another land enter the battlefield under their control this turn, Tunnel Ignus deals 3 damage to that player.

Enchant Mountain Enchanted Mountain is a 7/7 red Giant creature with haste. It's still a land.

Enchant creature Enchanted creature gets +1/+0 for each Mountain you control and has first strike.

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.

Lava Dart deals 1 damage to any target. Flashback—Sacrifice a Mountain. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost. Destroy target artifact.

Attacking creatures get +1/+0 and gain first strike until end of turn.

Add {R}{R}{R}{R}{R}.

Seismic Strike deals damage to target creature equal to the number of Mountains you control.

({T}: Add {R}.) Dwarven Mine enters the battlefield tapped unless you control three or more other Mountains. When Dwarven Mine enters the battlefield untapped, create a 1/1 red Dwarf creature token.

This spell costs {1} more to cast for each target beyond the first. Fireball deals X damage divided evenly, rounded down, among any number of targets.

Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells.

Jaws of Stone deals X damage divided as you choose among any number of targets, where X is the number of Mountains you control as you cast this spell.

Add {R} for each tapped land your opponents control.

Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.

Red Sun's Zenith deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Shuffle Red Sun's Zenith into its owner's library.

Choose one — • Slagstorm deals 3 damage to each creature. • Slagstorm deals 3 damage to each player.

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.

Equipped creature gets +6/+6. Whenever equipped creature attacks, destroy target permanent. Equip {6}

As Caged Sun enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

Target opponent reveals the top card of their library. Cerebral Eruption deals damage equal to the revealed card's mana value to that player and each creature that player controls. If a land card is revealed this way, return Cerebral Eruption to its owner's hand.

Flying Indestructible (Damage and effects that say "destroy" don't destroy this creature.)

Indestructible Darksteel Juggernaut's power and toughness are each equal to the number of artifacts you control. Darksteel Juggernaut attacks each combat if able.

Indestructible (Effects that say "destroy" don't destroy this artifact.) {1}, {T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Indestructible Equipped creature has indestructible. Equip {2}

Imprint — When Duplicant enters the battlefield, you may exile target nontoken creature. As long as a card exiled with Duplicant is a creature card, Duplicant has the power, toughness, and creature types of the last creature card exiled with Duplicant. It's still a Shapeshifter.

Equipped creature gets +1/+1 for each card in your hand. Equip {2}

Imprint — When Extraplanar Lens enters the battlefield, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

At the beginning of your upkeep, you may look at the top card of your library. You may cast it without paying its mana cost if it's an instant or sorcery spell.

Enchant Mountain {2}: Enchanted Mountain becomes a 6/1 red Spirit creature until end of turn. It's still a land. When enchanted Mountain is put into a graveyard, you may return Genju of the Spires from your graveyard to your hand.

Sacrifice a snow Mountain: Prevent all combat damage that would be dealt this turn.

Flying {3}{R}: Destroy target artifact. Hoard-Smelter Dragon gets +X/+0 until end of turn, where X is that artifact's mana value.

When Kuldotha Flamefiend enters the battlefield, you may sacrifice an artifact. If you do, Kuldotha Flamefiend deals 4 damage divided as you choose among any number of targets.

Flying, haste Metalcraft — {4}: Return Kuldotha Phoenix from your graveyard to the battlefield. Activate only during your upkeep and only if you control three or more artifacts.

Sacrifice any number of Mountains. Landslide deals that much damage to target player or planeswalker.

({T}: Add {R}.) Madblind Mountain enters the battlefield tapped. {R}, {T}: Shuffle your library. Activate only if you control two or more red permanents.

Imprint — Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard. {3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.

If it's your turn, you may sacrifice a Mountain rather than pay this spell's mana cost. Mine Collapse deals 5 damage to target creature or planeswalker.

Each player shuffles the cards from their hand into their library, then draws that many cards. Metalcraft — If you control three or more artifacts, Molten Psyche deals damage to each opponent equal to the number of cards that player has drawn this turn.

Pulse of the Forge deals 4 damage to target player or planeswalker. Then if that player or that planeswalker's controller has more life than you, return Pulse of the Forge to its owner's hand.

Rockslide Ambush deals damage to target creature equal to the number of Mountains you control.

Menace When Ruin Grinder dies, each player may discard their hand and draw seven cards. Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) Signal Pest can't be blocked except by creatures with flying or reach.

Trample, haste (This creature can deal excess combat damage to the player or planeswalker it's attacking. This creature can attack and {T} as soon as it comes under your control.) At the beginning of the end step, sacrifice Spark Elemental.

Flying At the beginning of your upkeep, if you control no Thopters other than Thopter Assembly, return Thopter Assembly to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying.

{8}, {T}: Tower of Calamities deals 12 damage to target creature.

{8}, {T}: You gain 10 life.

{8}, {T}: Draw four cards.