Name: Jubilation Cost: 5G Type: Creature -- Elemental Incarnation Pow/Tgh: 5/5 Rules Text: When this creature enters, creatures you control get +2/+2 and gain trample until end of turn. Encore {7}{G}{G} ({7}{G}{G}, Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.) Set/Rarity: Lorwyn Eclipsed Commander rare Price: $0.84

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: $0.08

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: $0.49

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 Oversized mythic, Commander 2020 mythic, The List mythic, Special Guests mythic Price: $0.40

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: $0.33

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: $4.45

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: $0.11

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: $5.70

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: $2.27

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: $0.06

Name: Kindle the Inner Flame Cost: 3R Type: Kindred Sorcery -- Elemental Rules Text: Create a token that's a copy of target creature you control, except it has haste and "At the beginning of the end step, sacrifice this token." Flashback--{1}{R}, Behold three Elementals. (You may cast this card from your graveyard for its flashback cost. Then exile it. To behold an Elemental, choose an Elemental you control or reveal an Elemental card from your hand.) Set/Rarity: Lorwyn Eclipsed uncommon Price: $0.21

Name: Kithkeeper Cost: 6W Type: Creature -- Elemental Pow/Tgh: 3/3 Rules Text: Vivid -- When this creature enters, create X 1/1 green and white Kithkin creature tokens, where X is the number of colors among permanents you control. Tap three untapped creatures you control: This creature gets +3/+0 and gains flying until end of turn. Set/Rarity: Lorwyn Eclipsed uncommon Price: $0.22

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: $4.46

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: $12.29

Name: Kor Firewalker Cost: WW Type: Creature -- Kor Soldier Pow/Tgh: 2/2 Rules Text: Protection from red Whenever a player casts a red spell, you may gain 1 life. Set/Rarity: Magic Online Promos uncommon, DCI Promos rare, Worldwake uncommon, Magic Online Theme Decks uncommon, Masters 25 uncommon, The List uncommon Price: $0.11

Name: Koth of the Hammer Cost: 2RR Type: Legendary Planeswalker -- Koth Loyalty: 3 Rules Text: [+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.'" Set/Rarity: Scars of Mirrodin mythic, Duel Decks: Venser vs. Koth mythic, Secret Lair Drop mythic Price: $1.40