Defender, flying, first strike

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Cast this spell only during the declare blockers step on an opponent's turn.

Remove all attacking creatures from combat and untap them. After this phase, there is an additional combat phase. Each of those creatures attacks that combat if able. They can't attack you or planeswalkers you control that combat.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Illusions of Grandeur enters the battlefield, you gain 20 life.

When Illusions of Grandeur leaves the battlefield, you lose 20 life.

Cast this spell only if you've cast another spell this turn.

Flying

Enchant creature

You control enchanted creature.

Whenever a creature enters the battlefield under an opponent's control, attach Illusory Gains to that creature.

, Exile Illustrious Historian from your graveyard: Create a tapped 3/2 red and white Spirit creature token.

: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.

Creatures target opponent controls attack this turn if able. During that player's next untap step, creatures they control don't untap.

Cycling (, Discard this card: Draw a card.)

: Put a +1/+1 counter on target creature for each Elf you control.

When Immersturm Raider enters the battlefield, you may discard a card. If you do, draw a card.

: Immolating Souleater gets +1/+0 until end of turn. ( can be paid with either or 2 life.)

Return each creature card with mana value X from your graveyard to the battlefield.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

At the beginning of your end step, if you have the initiative, draw a card. Draw another card if you've completed a dungeon.

Choose a Background (You can have a Background as a second commander.)

Impact Resonance deals X damage divided as you choose among any number of target creatures, where X is the greatest amount of damage dealt by a source to a permanent or player this turn.

Flying

Whenever Impaler Shrike deals combat damage to a player, you may sacrifice it. If you do, draw three cards.

If CARDNAME is in your opening hand and you're not the starting player, you may reveal it. If you do, you become the starting player.

Haste

Flying

When Imperial Aerosaur enters the battlefield, another target creature you control gets +1/+1 and gains flying until end of turn.

Enrage — Whenever Imperial Ceratops is dealt damage, you gain 2 life.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

Spend only mana produced by basic lands to cast this spell.

Vigilance

Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Indestructible

Partner with Proud Mentor (When this creature enters the battlefield, target player may put Proud Mentor into their hand from their library, then shuffle.)

Whenever Impetuous Protege attacks, it gets +X/+0 until end of turn, where X is the greatest power among tapped creatures your opponents control.

, Sacrifice Implement of Combustion: It deals 1 damage to target player or planeswalker.

When Implement of Combustion is put into a graveyard from the battlefield, draw a card.

Each player may discard their hand and draw cards equal to the greatest mana value of a commander they own on the battlefield or in the command zone.

Vigilance

Cycling (, Discard this card: Draw a card.)

You may have Imposter Mech enter the battlefield as a copy of a creature an opponent controls, except it's a Vehicle artifact with crew 3 and it loses all other card types.

Crew 3

Enchant creature

Whenever a player activates an ability of enchanted creature with in its activation cost that isn't a mana ability, you may pay . If you do, counter that ability. If you don't, destroy Imprison.

Whenever enchanted creature attacks or blocks, you may pay . If you do, tap the creature, remove it from combat, and creatures it was blocking that had become blocked by only that creature this combat become unblocked. If you don't, destroy Imprison.

Enchant creature

Enchanted creature gets +2/+5.

Cycling (, Discard this card: Draw a card.)

Improvised Weaponry deals 2 damage to any target. Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Target creature attacks this turn if able.

Whenever a creature attacks, flip a coin. If you win the flip, the next time that creature would deal combat damage this turn, it deals double that damage instead. If you lose the flip, the next time that creature would deal combat damage this turn, prevent that damage.

Affinity for artifacts (This spell costs less to cast for each artifact you control.)

When Imskir Iron-Eater enters the battlefield, you draw X cards and you lose X life, where X is half the number of artifacts you control, rounded down.

, Sacrifice an artifact: Imskir deals damage equal to the sacrificed artifact's mana value to any target.

Destroy all creatures you don't control and all planeswalkers you don't control.

At the beginning of your upkeep, you may cast a permanent spell from your hand with mana value equal to 1 plus the highest mana value among other permanents you control without paying its mana cost. If you don't, scry 1.

Whenever a player casts an instant spell, counter it unless that player pays , where X is its mana value.

Creatures you control get +1/+1.

: Exile target nonland permanent you don't control until In the Trenches leaves the battlefield. Activate only as a sorcery and only once.

When Iname as One enters the battlefield, if you cast it from your hand, you may search your library for a Spirit permanent card, put it onto the battlefield, then shuffle.

When Iname as One dies, you may exile it. If you do, return target Spirit permanent card from your graveyard to the battlefield.

When Iname, Life Aspect dies, you may exile it. If you do, return any number of target Spirit cards from your graveyard to your hand.

Other Elemental creatures you control get +1/+1.

, : You may put an Elemental creature card from your hand onto the battlefield. That creature gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. It perpetually gains "This creature attacks each combat if able."

Radiance — Until end of turn, target creature and each other creature that shares a color with it gain "This creature can't block."

Haste

Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Target player mills X cards. If this spell was cast from a graveyard, that player mills twice that many cards instead.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Put five +1/+1 counters on target creature. If this spell was cast from a graveyard, put ten +1/+1 counters on that creature instead.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Enchant creature

When Incriminating Impetus enters the battlefield, suspect enchanted creature. (It has menace and can‘t block.)

Enchanted creature gets +2/+2 and is goaded. (It attacks each combat if able and attacks a player other than you if able.)

Whenever you cast your second spell each turn, Incursion Specialist gets +2/+0 until end of turn and can't be blocked this turn.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Whenever a Samurai you control dies, you may put a +1/+1 counter on Indebted Samurai.

Prevent all damage that would be dealt to target creature this turn.