Name: Jeong Jeong, the Deserter Cost: 2R Type: Legendary Creature -- Human Rebel Ally Pow/Tgh: 2/3 Rules Text: Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) Exhaust -- {3}: Put a +1/+1 counter on Jeong Jeong. When you next cast a Lesson spell this turn, copy it and you may choose new targets for the copy. (Activate each exhaust ability only once.) Set/Rarity: Avatar: The Last Airbender uncommon Price: $0.10

Name: Jetfire, Air Guardian Type: Legendary Artifact -- Vehicle Pow/Tgh: 3/4 Rules Text: Living metal (During your turn, this Vehicle is also a creature.) Flying {U}{U}{U}: Convert Jetfire, then adapt 3. (If it has no +1/+1 counters on it, put three +1/+1 counters on it.) [Back face. Transforms from Jetfire, Ingenious Scientist. U color indicator.] Set/Rarity: Transformers mythic Price: $0.77

Name: Jetfire, Ingenious Scientist Cost: 4U Type: Legendary Artifact Creature -- Robot Pow/Tgh: 3/4 Rules Text: More Than Meets the Eye {3}{U} (You may cast this card converted for {3}{U}.) Flying Remove one or more +1/+1 counters from among artifacts you control: Target player adds that much {C}. This mana can't be spent to cast nonartifact spells. Convert Jetfire. [Front face. Transforms into Jetfire, Air Guardian.] Set/Rarity: Transformers mythic Price: $0.77

Name: Joshua, Phoenix's Dominant Cost: 1RW Type: Legendary Creature -- Human Noble Wizard Pow/Tgh: 3/4 Rules Text: When Joshua enters, discard up to two cards, then draw that many cards. {3}{R}{W}, {T}: Exile Joshua, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery. [Front face. Transforms into Phoenix, Warden of Fire.] Set/Rarity: Final Fantasy rare, Final Fantasy Promos rare Price: $0.54

Name: Joyful Stormsculptor Cost: 3UR Type: Creature -- Human Shaman Pow/Tgh: 2/3 Rules Text: When this creature enters, create two 1/1 blue and red Elemental creature tokens. Whenever you cast a spell that has convoke, this creature deals 1 damage to each opponent and each battle they protect. Set/Rarity: March of the Machine uncommon Price: $0.04

Name: Jungle Creeper Cost: 1BG Type: Creature -- Elemental Pow/Tgh: 3/3 Rules Text: {3}{B}{G}: Return this card from your graveyard to your hand. Set/Rarity: Rivals of Ixalan uncommon Price: $0.07

Name: Jyoti, Moag Ancient Cost: 2GU Type: Legendary Creature -- Elemental Pow/Tgh: 2/4 Rules Text: When Jyoti enters, create a 1/1 green Forest Dryad land creature token for each time you've cast your commander from the command zone this game. (They're affected by summoning sickness.) At the beginning of each combat, land creatures you control get +X/+X until end of turn, where X is Jyoti's power. Set/Rarity: Modern Horizons 3 Commander mythic Price: $0.19

Name: Kaheera, the Orphanguard Cost: 1{G/W}{G/W} Type: Legendary Creature -- Cat Beast Pow/Tgh: 3/2 Rules Text: Companion -- Each creature card in your starting deck is a Cat, Elemental, Nightmare, Dinosaur, or Beast card. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) Vigilance Each other creature you control that's a Cat, Elemental, Nightmare, Dinosaur, or Beast gets +1/+1 and has vigilance. Set/Rarity: Magic Online Promos rare, Ikoria: Lair of Behemoths rare, Ikoria: Lair of Behemoths Promos rare, Multiverse Legends rare Price: $0.47

Name: Kalamax, the Stormsire Cost: 1GUR Type: Legendary Creature -- Elemental Dinosaur Pow/Tgh: 4/4 Rules Text: Whenever you cast your first instant spell each turn, if Kalamax is tapped, copy that spell. You may choose new targets for the copy. Whenever you copy an instant spell, put a +1/+1 counter on Kalamax. Set/Rarity: Secret Lair Drop mythic, Commander 2020 mythic, Commander 2020 Oversized mythic, The List mythic, Special Guests mythic Price: $0.33

Name: Kamahl's Will Cost: 3G Type: Instant Rules Text: Choose one. If you control a commander as you cast this spell, you may choose both instead. - Until end of turn, any number of target lands you control become 1/1 Elemental creatures with vigilance, indestructible, and haste. They're still lands. - Choose target creature you don't control. Each creature you control deals damage equal to its power to that creature. Set/Rarity: Magic Online Promos rare, Commander Legends rare Price: $0.31

Name: Kamahl, Heart of Krosa Cost: 6GG Type: Legendary Creature -- Human Druid Pow/Tgh: 5/5 Rules Text: At the beginning of combat on your turn, creatures you control get +3/+3 and gain trample until end of turn. {1}{G}: Until end of turn, target land you control becomes a 1/1 Elemental creature with vigilance, indestructible, and haste. It's still a land. Partner (You can have two commanders if both have partner.) Set/Rarity: Magic Online Promos mythic, Commander Legends mythic Price: $3.38

Name: Kami of Fire's Roar Cost: 3R Type: Creature -- Spirit Pow/Tgh: 2/3 Rules Text: Whenever you cast a Spirit or Arcane spell, target creature can't block this turn. Set/Rarity: Champions of Kamigawa common Price: $0.12

Name: Kediss, Emberclaw Familiar Cost: 1R Type: Legendary Creature -- Elemental Lizard Pow/Tgh: 1/1 Rules Text: Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent. Partner (You can have two commanders if both have partner.) Set/Rarity: Magic Online Promos uncommon, Commander Legends uncommon Price: $5.14

Name: Keldon Champion Cost: 2RR Type: Creature -- Human Barbarian Pow/Tgh: 3/2 Rules Text: Haste Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, it deals 3 damage to target player or planeswalker. Set/Rarity: Urza's Destiny uncommon, Planechase uncommon, Premium Deck Series: Fire and Lightning uncommon, Eternal Masters uncommon, The List uncommon Price: $0.05

Name: Keldon Firebombers Cost: 3RR Type: Creature -- Human Soldier Pow/Tgh: 3/3 Rules Text: When this creature enters, each player sacrifices all lands they control except for three. Set/Rarity: Prophecy rare Price: $2.26

Name: Keldon Marauders Cost: 1R Type: Creature -- Human Warrior Pow/Tgh: 3/3 Rules Text: Vanishing 2 (This creature enters with two time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When this creature enters or leaves the battlefield, it deals 1 damage to target player or planeswalker. Set/Rarity: Planar Chaos common, Magic Online Theme Decks common, Premium Deck Series: Fire and Lightning common, Eternal Masters common Price: $0.06

Name: Kiln Fiend Cost: 1R Type: Creature -- Elemental Beast Pow/Tgh: 1/2 Rules Text: Whenever you cast an instant or sorcery spell, this creature gets +3/+0 until end of turn. Set/Rarity: Rise of the Eldrazi common, Duel Decks: Izzet vs. Golgari common, Conspiracy: Take the Crown common, Iconic Masters common, Historic Anthology 1 common, Jumpstart common, The List common, Foundations Jumpstart common Price: $0.07

Name: Kjeldoran Frostbeast Cost: 3GW Type: Creature -- Elemental Beast Pow/Tgh: 2/4 Rules Text: At end of combat, destroy all creatures blocking or blocked by this creature. Set/Rarity: Ice Age uncommon, Masters Edition III uncommon Price: $0.24

Name: Knight Paladin Cost: 5 Type: Artifact -- Vehicle Pow/Tgh: 6/6 Rules Text: Trample Rapid-fire Battle Cannon -- When this Vehicle enters, it deals 4 damage to each opponent. Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.) Set/Rarity: Warhammer 40,000 Commander rare Price: $4.31

Name: Know Naught but Fire Type: Scheme Rules Text: When you set this scheme in motion, it deals damage to each opponent equal to the number of cards in that player's hand. Set/Rarity: Archenemy Schemes common Price: $12.93