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

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

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

Dragon spells you cast cost {2} less to cast.

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

Red creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, you may discard a card. If you do, draw a card.

Flying When this creature enters, you may put a commander you own from the command zone onto the battlefield. It gains haste. Return it to the command zone at the beginning of the next end step.

+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."

Flying You don't lose unspent red mana as steps and phases end. When this creature dies, you may pay any amount of {R}. When you do, it deals that much damage to any target.

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

+1: You may discard a card. If you do, draw a card. +1: Add two mana in any combination of colors. Spend this mana only to cast Dragon spells. −7: Create four 5/5 red Dragon creature tokens with flying.

When this creature enters, search your library for a basic land card or Cave card, put it onto the battlefield tapped, then shuffle.

When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

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.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Up to one target creature can't block for as long as you control this Saga. The Ring tempts you. II — Search your library for a Mountain card, put it onto the battlefield, then shuffle. III — Create Smaug, a legendary 6/6 red Dragon creature token with flying, haste, and "When Smaug dies, create fourteen Treasure tokens."

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Whenever a creature you control with flying enters, it gains haste until end of turn. Whenever a Dragon you control enters, it deals X damage to any target, where X is the number of Dragons you control.

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.

Lightning Bolt deals 3 damage to any target.

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

Shock deals 2 damage to any target.

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.

Whenever a player taps a nonbasic land for mana, this enchantment deals 1 damage to that player.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) If a source you control would deal damage to a permanent or player, it deals triple that damage instead.

Flash If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

If a source you control would deal damage to a permanent or player, it deals triple that damage to that permanent or player instead.

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

If a creature you control would deal damage to a permanent or player, it deals double that damage instead.

If a red or artifact source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Players can't gain life. Damage can't be prevented. When this creature enters, it deals damage to each player equal to the number of nonbasic lands that player controls.

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.

At the beginning of your upkeep, if you control six or more lands, create a 5/5 red Dragon creature token with flying.

You may sacrifice a nontoken red creature rather than pay this spell's mana cost. Copy target instant or sorcery spell. You may choose new targets for the copy.

Create a token that's a copy of target creature, except it has haste and "At the beginning of the end step, exile this token."

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}

Create a token that's a copy of target artifact or creature you control, except it's an artifact in addition to its other types. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

{1}{R}, {T}: Create a token that's a copy of another target creature you control. It gains haste. Sacrifice it at the beginning of the next end step. Activate only as a sorcery. {6}{R}{R}{R}, {T}: Create five tokens that are copies of another target creature you control. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

This spell costs {3} less to cast if you control a creature with power 4 or greater. Change the target of target spell or ability with a single target.

Spree (Choose one or more additional costs.) + {1} — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy. + {1} — Change the target of target spell or ability with a single target.

Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, this creature deals 3 damage to that player.

You may choose new targets for target instant or sorcery spell. Then copy that spell. You may choose new targets for the copy.

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

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