Name: Invasion of Karsus Cost: 2RR Type: Battle -- Siege Rules Text: (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When this Siege enters, it deals 3 damage to each creature and each planeswalker. [Front face. Transforms into Refraction Elemental.] Set/Rarity: March of the Machine rare, March of the Machine Promos rare Price: $0.15

Name: Invoke the Firemind Cost: XUUR Type: Sorcery Rules Text: Choose one -- - Draw X cards. - Invoke the Firemind deals X damage to any target. Set/Rarity: Guildpact rare, Duel Decks: Izzet vs. Golgari rare, GRN Guild Kit rare Price: $0.30

Name: Iroh, Dragon of the West Cost: 2RR Type: Legendary Creature -- Human Noble Ally Pow/Tgh: 4/4 Rules Text: Haste Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.) At the beginning of combat on your turn, each creature you control with a counter on it gains firebending 2 until end of turn. (Whenever it attacks, add {R}{R}. This mana lasts until end of combat.) Set/Rarity: Avatar: The Last Airbender Eternal rare Price: $3.32

Name: Iroh, Firebending Instructor Cost: 2R Type: Legendary Creature -- Human Noble Ally Pow/Tgh: 2/2 Rules Text: Whenever Iroh attacks, attacking creatures get +1/+1 until end of turn. Set/Rarity: Avatar: The Last Airbender Eternal uncommon Price: $0.61

Name: Iroh, Grand Lotus Cost: 3GUR Type: Legendary Creature -- Human Noble Ally Pow/Tgh: 5/5 Rules Text: Firebending 2 During your turn, each non-Lesson instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost. (You may cast a card from your graveyard for its flashback cost. Then exile it.) During your turn, each Lesson card in your graveyard has flashback {1}. Set/Rarity: Media and Collaboration Promos rare, Avatar: The Last Airbender rare, Avatar: The Last Airbender Promos rare Price: $0.59

Name: Isilu, Carrier of Twilight Type: Legendary Creature -- Elemental God Pow/Tgh: 5/5 Rules Text: Flying, lifelink Each other nontoken creature you control has persist. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.) At the beginning of your first main phase, you may pay {W}. If you do, transform Isilu. [Back face. Transforms from Eirdu, Carrier of Dawn. B color indicator.] Set/Rarity: Lorwyn Eclipsed mythic Price: $9.88

Name: It That Gets Left Hanging Cost: 5R Type: Creature -- Elemental Horror Pow/Tgh: 5/4 Rules Text: When this creature enters, ask a person outside the game to high-five you. If they won't, this creature gains haste until end of turn. Set/Rarity: Unstable common Price: $0.10

Name: Ivy Elemental Cost: XG Type: Creature -- Elemental Pow/Tgh: 0/0 Rules Text: This creature enters with X +1/+1 counters on it. Set/Rarity: Odyssey rare, Planechase rare, Iconic Masters common, Ikoria: Lair of Behemoths uncommon Price: $0.05

Name: Izzet Keyrune Cost: 3 Type: Artifact Rules Text: {T}: Add {U} or {R}. {U}{R}: Until end of turn, this artifact becomes a 2/1 blue and red Elemental artifact creature. Whenever this artifact deals combat damage to a player, you may draw a card. If you do, discard a card. Set/Rarity: Return to Ravnica uncommon Price: $0.11

Name: Jackal Pup Cost: R Type: Creature -- Jackal Pow/Tgh: 2/1 Rules Text: Whenever this creature is dealt damage, it deals that much damage to you. Set/Rarity: Tempest uncommon, World Championship Decks 1998 uncommon, World Championship Decks 1999 uncommon, Friday Night Magic 2001 rare, Magic Online Promos uncommon, Premium Deck Series: Fire and Lightning uncommon, Masters 25 common, The List common Price: $0.15

Name: Jaddi Lifestrider Cost: 4G Type: Creature -- Elemental Pow/Tgh: 2/8 Rules Text: When this creature enters, you may tap any number of untapped creatures you control. You gain 2 life for each creature tapped this way. Set/Rarity: Rise of the Eldrazi uncommon, Duel Decks: Nissa vs. Ob Nixilis uncommon Price: $0.10

Name: Jaya Ballard, Task Mage Cost: 1RR Type: Legendary Creature -- Human Spellshaper Pow/Tgh: 2/2 Rules Text: {R}, {T}, Discard a card: Destroy target blue permanent. {1}{R}, {T}, Discard a card: Jaya Ballard deals 3 damage to any target. A creature dealt damage this way can't be regenerated this turn. {5}{R}{R}, {T}, Discard a card: Jaya Ballard deals 6 damage to each creature and each player. Set/Rarity: Magic Online Promos rare, Time Spiral rare, Time Spiral Promos rare, Magic Premiere Shop 2008 rare, Premium Deck Series: Fire and Lightning rare, The List rare, Time Spiral Remastered rare Price: $0.19

Name: Jaya's Firenado Cost: 4R Type: Sorcery Rules Text: Jaya's Firenado deals 5 damage to target creature or planeswalker. Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Set/Rarity: Dominaria United common, Foundations Jumpstart common Price: $0.05

Name: Jaya, Venerated Firemage Cost: 4R Type: Legendary Planeswalker -- Jaya Loyalty: 5 Rules Text: If another red source you control would deal damage to a permanent or player, it deals that much damage plus 1 to that permanent or player instead. [−2]: Jaya deals 2 damage to any target. Set/Rarity: Magic Online Promos uncommon, War of the Spark uncommon, War of the Spark Promos uncommon, Secret Lair Drop uncommon, The List uncommon Price: $0.15

Name: Jegantha, the Wellspring Cost: 4{R/G} Type: Legendary Creature -- Elemental Elk Pow/Tgh: 5/5 Rules Text: Companion -- No card in your starting deck has more than one of the same mana symbol in its mana cost. (If this card is your chosen companion, you may put it into your hand from outside the game for {3} as a sorcery.) {T}: Add {W}{U}{B}{R}{G}. This mana can't be spent to pay generic mana costs. Set/Rarity: Magic Online Promos rare, Ikoria: Lair of Behemoths rare, Ikoria: Lair of Behemoths Promos rare, Multiverse Legends rare, Lorwyn Eclipsed Commander rare Price: $0.21

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: $0.08

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: $0.87

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: $0.87

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: $0.75

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