Players can't untap more than one artifact during their untap steps.

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face up any time and reveal that name.)

Creatures you control with the chosen name have haste.

Hosted creatures get +2/+0 and have haste.

Host (: Host target creature at this Realm. A Realm can host any number of creatures. Host only as a sorcery.)

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

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)

Each other creature you control that's a Wolf or a Werewolf gets +1/+1.

Non-Human Werewolves you control can't transform.

Devoid (This card has no color.)

: Each creature with toughness greater than its power can't block this turn. ( represents colorless mana.)

Destroy target attacking creature.

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

Whenever an opponent activates an ability of an artifact, creature, or land that isn't a mana ability, Immolation Shaman deals 1 damage to that player.

: Immolation Shaman gets +3/+3 and gains menace until end of turn.

Return target creature card from an opponent's graveyard to the battlefield under their control with a duty counter on it. For as long as that creature has a duty counter on it, it is goaded, can't attack you or a permanent you control, and can't block creatures you control.

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

Whenever an instant or sorcery spell you control that targets only a single creature deals damage to that creature, Imodane deals that much damage to each opponent.

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.)

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

Spells you cast with mana value 6 or greater have cascade.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Flying

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

At the beginning of each player's end step, if that player didn't cast a spell this turn, Impatience deals 2 damage to that player.

Impeccable Timing deals 3 damage to target attacking or blocking creature.

Trample

Tap an untapped red creature you control other than Impelled Giant: Impelled Giant gets +X/+0 until end of turn, where X is the power of the creature tapped this way.

Enchant creature

Enchanted creature gets +3/+3 and attacks each combat if able.

When enchanted creature dies, Impending Doom deals 3 damage to that creature's controller.

Flying

When Imperial Aerosaur enters, 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.

Flying

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Imperial Hellkite is turned face up, you may search your library for a Dragon card, reveal it, put it into your hand, then shuffle.

When Imperial Mask enters, if it's not a token, each of your teammates creates a token that's a copy of Imperial Mask.

You have hexproof. (You can't be the target of spells or abilities your opponents control.)

Create three 2/2 white Samurai creature tokens with vigilance. Scry 3.

Whenever Imperial Recovery Unit attacks, return target creature or Vehicle card with mana value 2 or less from your graveyard to your hand.

Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.)

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, 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.

, Sacrifice Implement of Ferocity: Put a +1/+1 counter on target creature. Activate only as a sorcery.

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

, Sacrifice Implement of Malice: Target player discards a card. Activate only as a sorcery.

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

Destroy target land.

Draw a card.

Creatures your opponents control enter tapped.

Enchant creature

Enchanted creature has menace. (It can't be blocked except by two or more creatures.)

You may have Imposter Mech enter 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

When Impounding Lot-Bot enters, you may say "INCARCERATE" in a robot voice. If you do, exile another target artifact or enchantment until Impounding Lot-Bot leaves the battlefield.

Enchant creature, land, or planeswalker

Enchanted permanent is a colorless land with ": Add " and loses all other card types and abilities.

: Reveal the top card of your library. If it isn't a creature card, put it into your graveyard. Otherwise, put that card onto the battlefield. That creature gains haste. Sacrifice it at the beginning of the next end step.

As an additional cost to cast this spell, sacrifice an artifact or creature.

Improvised Club deals 4 damage to any target.

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

When Impulsive Pilferer dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Encore (, 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.)

Enchant permanent

You control enchanted permanent.

Enchanted permanent is legendary.

Zombies you control get +2/+1 until end of turn. Other creatures you control get +1/+1 until end of turn.

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)

I, II, III — Create a 3/3 black Wraith creature token with menace. The Ring tempts you.

IV — For each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn. The Ring tempts you.

Reveal the top four cards of your library. You may put a creature card and/or a land card from among them into your hand. Put the rest into your graveyard.

Whenever a creature you control enters, it gets +2/+0 and gains haste until end of turn.