Name: Koth, Fire of Resistance Cost: 2RR Type: Legendary Planeswalker -- Koth Loyalty: 4 Rules Text: [+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." Set/Rarity: Store Championships rare, Phyrexia: All Will Be One Promos rare, Phyrexia: All Will Be One rare Price: $0.30

Name: Liquid Fire Cost: 4RR Type: Sorcery Rules Text: As an additional cost to cast this spell, choose a number between 0 and 5. Liquid Fire deals X damage to target creature and 5 minus X damage to that creature's controller, where X is the chosen number. Set/Rarity: Odyssey uncommon Price: $0.09

Name: Longhorn Firebeast Cost: 2R Type: Creature -- Elemental Ox Beast Pow/Tgh: 3/2 Rules Text: When this creature enters, any opponent may have it deal 5 damage to them. If a player does, sacrifice this creature. Set/Rarity: Torment common Price: $0.08

Name: Loyal Fire Sage Cost: 2R Type: Creature -- Human Cleric Ally Pow/Tgh: 3/3 Rules Text: Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) {5}: Create a 1/1 white Ally creature token. Set/Rarity: Avatar: The Last Airbender Eternal uncommon Price: $0.12

Name: Magefire Wings Cost: UR Type: Enchantment -- Aura Rules Text: Enchant creature Enchanted creature gets +2/+0 and has flying. Set/Rarity: Alara Reborn common Price: $0.06

Name: Mistfire Adept Cost: 3U Type: Creature -- Human Monk Pow/Tgh: 3/3 Rules Text: Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a noncreature spell, target creature gains flying until end of turn. Set/Rarity: Fate Reforged uncommon, Double Masters 2022 uncommon Price: $0.07

Name: Mistfire Weaver Cost: 3U Type: Creature -- Djinn Wizard Pow/Tgh: 3/1 Rules Text: Flying Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When this creature is turned face up, target creature you control gains hexproof until end of turn. Set/Rarity: Khans of Tarkir uncommon Price: $0.07

Name: Molten Firebird Cost: 4R Type: Creature -- Phoenix Pow/Tgh: 2/2 Rules Text: Flying When this creature dies, return it to the battlefield under its owner's control at the beginning of the next end step and you skip your next draw step. {4}{R}: Exile this creature. Set/Rarity: Planar Chaos rare Price: $0.21

Name: Mossfire Egg Cost: 1 Type: Artifact Rules Text: {2}, {T}, Sacrifice this artifact: Add {R}{G}. Draw a card. Set/Rarity: Odyssey uncommon Price: $0.27

Name: Mossfire Valley Type: Land Rules Text: {1}, {T}: Add {R}{G}. Set/Rarity: Odyssey rare, Commander 2020 rare, The List rare, Forgotten Realms Commander rare, Neon Dynasty Commander rare, New Capenna Commander rare, Commander Legends: Battle for Baldur's Gate rare, March of the Machine Commander rare, Murders at Karlov Manor Commander rare, Fallout rare, Modern Horizons 3 Commander rare, Bloomburrow Commander rare, Tarkir: Dragonstorm Commander rare, Final Fantasy Commander rare Price: $0.10

Name: Myojin of Cleansing Fire Cost: 5WWW Type: Legendary Creature -- Spirit Pow/Tgh: 4/6 Rules Text: Myojin of Cleansing Fire enters with a divinity counter on it if you cast it from your hand. Myojin of Cleansing Fire has indestructible as long as it has a divinity counter on it. Remove a divinity counter from Myojin of Cleansing Fire: Destroy all other creatures. Set/Rarity: Champions of Kamigawa rare Price: $2.49

Name: Narrow-Minded Baloney Fireworks Type: Stickers Rules Text: {TK}{TK} -- Whenever this creature attacks, you gain 2 life. {TK}{TK}{TK} -- Vigilance, reach {TK}{TK} -- 2/4 {TK}{TK}{TK}{TK}{TK} -- 7/7 Set/Rarity: Unfinity Sticker Sheets common Price: $1.05

Name: Nightfire Giant Cost: 4B Type: Creature -- Zombie Giant Pow/Tgh: 4/3 Rules Text: This creature gets +1/+1 as long as you control a Mountain. {4}{R}: This creature deals 2 damage to any target. Set/Rarity: Magic 2015 uncommon, The List uncommon Price: $0.06

Name: Niv-Mizzet, the Firemind Cost: 2UURR Type: Legendary Creature -- Dragon Wizard Pow/Tgh: 4/4 Rules Text: Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card. Set/Rarity: Magic Online Promos rare, Guildpact rare, Champs and States rare, From the Vault: Dragons rare, Duel Decks: Izzet vs. Golgari mythic, Modern Masters 2015 rare, Commander 2017 rare, Masters 25 rare, GRN Guild Kit rare, Commander 2020 rare, 30th Anniversary Play Promos rare, Ravnica Remastered rare Price: $0.75

Name: Nivix, Aerie of the Firemind Type: Land Rules Text: {T}: Add {C}. {2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell. Set/Rarity: Guildpact uncommon, Duel Decks: Izzet vs. Golgari uncommon, The List uncommon Price: $0.12

Name: Obsidian Fireheart Cost: 1RRR Type: Creature -- Elemental Pow/Tgh: 4/4 Rules Text: {1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after this creature has left the battlefield.) Set/Rarity: Zendikar mythic, Archenemy: Nicol Bolas mythic Price: $0.74

Name: Omarthis, Ghostfire Initiate Cost: XX Type: Legendary Creature -- Spirit Snake Pow/Tgh: 0/0 Rules Text: Omarthis enters with X +1/+1 counters on it. Whenever you put one or more +1/+1 counters on another colorless creature, you may put a +1/+1 counter on Omarthis. When Omarthis dies, manifest a number of cards from the top of your library equal to the number of counters on it. Set/Rarity: Commander Masters mythic Price: $1.04

Name: Omen of Fire Cost: 3RR Type: Instant Rules Text: Return all Islands to their owners' hands. Each player sacrifices a Plains or a white permanent of their choice for each white permanent they control. Set/Rarity: Alliances rare Price: $1.07

Name: Open Fire Cost: 2R Type: Instant Rules Text: Open Fire deals 3 damage to any target. Set/Rarity: Hour of Devastation common, Amonkhet Remastered common, Foundations Jumpstart common Price: $0.04

Name: Pardic Firecat Cost: 3R Type: Creature -- Elemental Cat Pow/Tgh: 2/3 Rules Text: Haste If this card is in a graveyard, effects from spells named Flame Burst count it as a card named Flame Burst. Set/Rarity: Odyssey common Price: $0.11