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}: Add {R}.)

+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."

When this enchantment enters, you take the initiative and create a Treasure token. Whenever you attack the player who has the initiative, create a Treasure token. Loud Ruckus — Whenever you complete a dungeon, create a 5/5 red Dragon creature token with flying.

Trample Whenever this creature attacks, another target creature you control gets +2/+0 and gains trample until end of turn. Mountaincycling {1} ({1}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

Whenever Ragavan deals combat damage to a player, create a Treasure token and exile the top card of that player's library. Until end of turn, you may cast that card. Dash {1}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

When this artifact enters, you take the initiative. {T}: Add {C}. If you have the initiative, add {C}{C} instead. {3}, {T}: Exile cards from the top of your library until you exile a nonland card. You may cast that card without paying its mana cost. Activate only if you've completed a dungeon.

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

Enchant creature Enchanted creature has menace and "Whenever this creature deals combat damage to a player, create a Treasure token." (It can't be blocked except by two or more creatures. The token is an artifact with "{T}, Sacrifice this token: Add one mana of any color.") When enchanted creature dies, draw a card.

When this creature enters, it deals damage to each opponent equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

Trample When this creature enters, you take the initiative. Whenever this creature attacks, exile the top card of your library. If you've completed a dungeon, you may play that card this turn without paying its mana cost. Otherwise, you may play that card this turn.

First strike When this creature enters, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then this creature deals damage to that player equal to the total mana value of those cards.

This artifact enters tapped. {2}, {T}, Sacrifice this artifact: You take the initiative, gain 3 life, draw a card, and create a Treasure token. Activate only as a sorcery. (A Treasure token is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Whenever Etali attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.

{T}: Draw two cards. Target opponent gains control of this creature. Activate only during your turn.

When this creature enters, discard your hand, then draw three cards. Escape—{R}{R}, Exile eight other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.) This creature escapes with a +1/+1 counter on it.

Defender When this creature enters, you take the initiative. Mantle of Inspiration — {T}: Target creature gains menace and haste until end of turn.

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.

Equipped creature gets +2/+2. As long as equipped creature is legendary, it has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {1}

Gain control of target spell that targets only a single permanent or player. Copy it, then reselect the targets at random for the spell and the copy. The new targets can't be you or a permanent you control.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Destroy all artifacts you don't control, then exile the top X cards of your library, where X is the number of artifacts that were put into graveyards from the battlefield this turn. You may put a creature card exiled this way onto the battlefield. It gains haste. Return it to your hand at the beginning of the next end step.

When this creature enters, it deals 3 damage to target opponent or planeswalker and 3 damage to up to one target creature.

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.

Goad all creatures you don't control. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.)

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Double strike When this creature enters, it deals 4 damage divided as you choose among any number of target creatures and/or planeswalkers. Evoke—Exile a red card from your hand.

Flying, haste You may exert this creature as it attacks. When you do, it deals 4 damage to target non-Dragon creature an opponent controls. (An exerted creature won't untap during your next untap step.)

{R}: This creature gets +1/+0 until end of turn. Whenever this creature enters or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Flying, trample When this creature enters, for each player, destroy up to one nonbasic land that player controls. For each land destroyed this way, its controller may search their library for a basic land card, put it onto the battlefield tapped, then shuffle.

Choose two — • Choose target player. They may discard up to X cards. Then they draw a card for each card discarded this way. • This spell deals X damage to target creature. • This spell deals X damage to target planeswalker. • Target creature gets +X/+0 and gains haste until end of turn.

This spell costs {1} less to cast for each land your opponents control that could produce {C}. Flying When this creature enters, destroy target nonbasic land an opponent controls.

Target creature you control gets +1/+0 until end of turn. Then it deals damage equal to its power to target creature you don't control.

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

When this creature enters, target opponent chooses a permanent they control at random and sacrifices it. If a nonland permanent is sacrificed this way, repeat this process.

Flying When this creature enters, it deals 4 damage to any target. {R}: This creature gets +1/+0 until end of turn.

This spell can't be countered. Volcanic Fallout deals 2 damage to each creature and each player.

Target creature you control deals damage equal to its power to each other creature. Until end of turn, whenever a creature you control dies, exile the top card of your library. You may play it until the end of your next turn.

Haste Whenever Calamity attacks while saddled, choose a nonlegendary creature that saddled it this turn and create a tapped and attacking token that's a copy of it. Sacrifice that token at the beginning of the next end step. Repeat this process once. Saddle 1

Enchant creature Enchanted creature gets +1/+1 and has menace and trample. When this Aura is put into a graveyard from the battlefield, draw a card. Plot {R} (You may pay {R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Menace Equipped creature gets +2/+2 and has menace. Whenever this creature or equipped creature deals combat damage to a player, goad each creature that player controls. Reconfigure {4} ({4}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

When this Equipment enters, it deals 3 damage to up to one target creature. Whenever one or more creatures die, put a rev counter on this Equipment. Equipped creature gets +X/+0, where X is the number of rev counters on this Equipment. Equip {3}

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

Haste Equipped creature gets +1/+1 and has haste. Reconfigure {R} ({R}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)