You may play lands from your graveyard.

Red creatures get +1/+1. Whenever a Mountain is tapped for mana, its controller adds an additional {R}.

Flash If a player would begin an extra turn, that player skips that turn instead. {4}, {T}, Exile Gerrard's Hourglass Pendant: Return to the battlefield tapped all artifact, creature, enchantment, and land cards in your graveyard that were put there from the battlefield this turn.

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.

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

Whenever another Goblin you control becomes blocked, sacrifice it. If you do, it deals 4 damage to each creature blocking it. Sacrifice two Mountains: Create two 1/1 red Goblin creature tokens.

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

As long as it's your turn and you control four or more Mountains, Sardian Cliffstomper gets +X/+0, where X is the number of Mountains you control.

Nonbasic lands are Mountains.

At the beginning of each upkeep, count the number of permanents. If the number is odd, until end of turn, red creatures get +1/+1 and whenever a player taps a Mountain for mana, that player adds an additional {R}. If the number is even, until end of turn, red creatures get -1/-1 and if a player taps a Mountain for mana, that Mountain produces colorless mana instead of any other type.

You may exile a red card with mana value X from your hand rather than pay this spell's mana cost. Target creature gets +X/+0 until end of turn.

You may sacrifice a Mountain rather than pay this spell's mana cost. Destroy target artifact.

Add {R}{R}{R}. Splice onto Arcane {1}{R} (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

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.

You may sacrifice two Mountains rather than pay this spell's mana cost. Fireblast deals 4 damage to any target.

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

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

({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.

Eternal Flame deals X damage to target opponent or planeswalker and half X damage, rounded up, to you, where X is the number of Mountains you control.

Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step. Flashback—{R}{R}, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You may discard a Mountain card rather than pay this spell's mana cost. Flameshot deals 3 damage divided as you choose among one, two, or three target creatures.

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.

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

Exile the top card of your library. Exile the top card of your library. Exile the top card of your library. If the last card exiled isn't a land card, repeat this process. Create a 1/1 red Warrior creature token for each nonland card exiled this way.

Add {R}{R}, then add {R} for each card named Rite of Flame in each graveyard.