Commanders: I
93 commanders. Each has a deck guide with its most-played cards.
- Ian Chesterton
- Ian Malcolm, Chaotician
- Ian the Reckless
- Ib Halfheart, Goblin Tactician
- Iceman and Firestar
- Ich-Tekik, Salvage Splicer
- Icingdeath, Frost Tyrant
- Idris, Soul of the TARDIS
- Ignis Scientia
- Ihsan's Shade
- Iizuka the Ruthless
- Ikra Shidiqi, the Usurper
- Ilharg, the Raze-Boar
- Illuminor Szeras
- Illuna, Apex of Wishes
- Imaryll, Elfhame Elite
- Immard, the Stormcleaver
- Immortus, Master of Eternity
- Imodane, the Pyrohammer
- Imoen, Mystic Trickster
- Imotekh the Stormlord
- Imoti, Celebrant of Bounty
- Impossible Man
- Imskir Iron-Eater
- Inalla, Archmage Ritualist
- Iname as One
- Iname, Death Aspect
- Iname, Life Aspect
- Indominus Rex, Alpha
- Indoraptor, the Perfect Hybrid
- Infernal Kirin
- Inferno of the Star Mounts
- Inga and Esika
- Inga Rune-Eyes
- Ingris Stingerquill
- Initiate of Blood // Goka the Unjust
- Ink-Eyes, Servant of Oni
- Inniaz, the Gale Force
- Inquisitor Eisenhorn
- Inquisitor Greyfax
- Interceptor, Shadow's Hound
- Intet, the Dreamer
- Inti, Seneschal of the Sun
- Invasion of Fiora // Marchesa, Resolute Monarch
- Invasion of Ikoria // Zilortha, Apex of Ikoria
- Invasion of Segovia // Caetus, Sea Tyrant of Segovia
- Invasion of Theros // Ephara, Ever-Sheltering
- Invasion of Ulgrotha // Grandmother Ravi Sengir
- Invisible Woman
- Invisible Woman, Sue Storm
- Ioreth of the Healing House
- Iraxxa, Empress of Mars
- Irini Sengir
- Irma, Part-Time Mutant
- Iroas, God of Victory
- Iroh, Dragon of the West
- Iroh, Firebending Instructor
- Iroh, Grand Lotus
- Iroh, Tea Master
- Iron Fist, Hero for Hire
- Iron Fist, Living Weapon
- Iron Lad, Diverging Destiny
- Iron Lad, Young Avenger
- Iron Man, Armored Avenger
- Iron Man, Bleeding Edge
- Iron Man, Futurist Paragon
- Iron Man, Master of Machines
- Iron Man, Modern Marvel
- Iron Man, Titan of Innovation
- Iron Man, Tony Stark
- Iron Monger, Sadistic Tycoon
- Iron Spider, Stark Upgrade
- Ironheart, Clever Champion
- Isamaru, Hound of Konda
- Isao, Enlightened Bushi
- Isareth the Awakener
- Ishai, Ojutai Dragonspeaker
- Ishi-Ishi, Akki Crackshot
- Ishkanah, Grafwidow
- Isperia the Inscrutable
- Isperia, Supreme Judge
- Isshin, Two Heavens as One
- Isu the Abominable
- Ith, High Arcanist
- Itzquinth, Firstborn of Gishath
- Ivora, Insatiable Heir
- Ivy, Gleeful Spellthief
- Iwamori of the Open Fist
- Ixhel, Scion of Atraxa
- Ixidor, Reality Sculptor
- Iymrith, Desert Doom
- Izoni, Center of the Web
- Izoni, Thousand-Eyed