Whenever a creature enters the battlefield under your control, if it has one or more oil counters on it, put an oil counter on it.

Creatures you control with oil counters on them get +1/+1.

When Ich-Tekik, Salvage Splicer enters the battlefield, create a 3/3 colorless Phyrexian Golem artifact creature token.

Whenever an artifact is put into a graveyard from the battlefield, put a +1/+1 counter on Ich-Tekik and a +1/+1 counter on each Golem you control.

Partner (You can have two commanders if both have partner.)

(: Add .)

Idyllic Grange enters the battlefield tapped unless you control three or more other Plains.

When Idyllic Grange enters the battlefield untapped, put a +1/+1 counter on target creature you control.

Ignition Team enters the battlefield with X +1/+1 counters on it, where X is the number of tapped lands on the battlefield.

, Remove a +1/+1 counter from Ignition Team: Target land becomes a 4/4 red Elemental creature until end of turn. It's still a land.

Flash

When Illicit Masquerade enters the battlefield, put an impostor counter on each creature you control.

Whenever a creature you control with an impostor counter on it dies, exile it. Return up to one other target creature card from your graveyard to the battlefield.

Counter target artifact or enchantment spell. Its controller gains life equal to its mana value.

Flying

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.)

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.)

As Illusionary Terrain enters the battlefield, choose two basic land types.

Basic lands of the first chosen type are the second chosen type.

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.

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

Imminent Doom enters the battlefield with a doom counter on it.

Whenever you cast a spell with mana value equal to the number of doom counters on Imminent Doom, Imminent Doom deals that much damage to any target. Then put a doom counter on Imminent Doom.

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.)

, 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.

(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.

Enchant creature

At the beginning of your upkeep, you may put a fuse counter on Incendiary.

When enchanted creature dies, Incendiary deals X damage to any target, where X is the number of fuse counters on Incendiary.

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.)

Put a +1/+1 counter on target creature, two +1/+1 counters on another target creature, and three +1/+1 counters on a third target creature.

Incubation Sac enters the battlefield with three oil counters on it.

, , Remove an oil counter from Incubation Sac: Create a 3/3 colorless Phyrexian Golem artifact creature token. Activate only as a sorcery.

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

When Indoctrination Attendant enters the battlefield, you may return another permanent you control to its owner's hand. If you do, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block."

Bloodthirst X (This creature enters the battlefield with X +1/+1 counters on it, where X is the damage dealt to your opponents this turn.)

Menace

Enrage — Whenever Indoraptor, the Perfect Hybrid is dealt damage, choose an opponent at random. Indoraptor deals damage equal to its power to that player unless they sacrifice a nontoken creature.

Lifelink

, Sacrifice a creature: Put a +1/+1 counter on each Vampire you control.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Inescapable Brute must be blocked if able.

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature you control deals damage equal to its power to target creature you don't control. Each opponent gets a poison counter.

Cumulative upkeep—Pay and 1 life. (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.)

If a land is tapped for mana, it produces instead of any other type.

This spell can't be countered.

Flying, haste

: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.

Equipped creature gets +2/+0.

Whenever equipped creature attacks, create a 1/1 colorless Phyrexian Mite artifact creature token with toxic 1 and "This creature can't block." (Players dealt combat damage by it also get a poison counter.)

Equip

Shadow (This creature can block or be blocked by only creatures with shadow.)

Suspend 2— (Rather than cast this card from your hand, you may pay and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

At the beginning of your upkeep, put a time counter on Infinite Hourglass.

All creatures get +1/+0 for each time counter on Infinite Hourglass.

: Remove a time counter from Infinite Hourglass. Any player may activate this ability but only during any upkeep step.

Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)

, Remove X charge counters from Infused Arrows: Target creature gets -X/-X until end of turn.

Skulk (This creature can't be blocked by creatures with greater power.)

Ingenious Prodigy enters the battlefield with X +1/+1 counters on it.

At the beginning of your upkeep, if Ingenious Prodigy has one or more +1/+1 counters on it, you may remove a +1/+1 counter from it. If you do, draw a card.

Flying

: Exile target creature card from a graveyard. Put a +1/+1 counter on Inherited Fiend.

When Injector Crocodile dies, incubate 3. (Create an Incubator token with three +1/+1 counters on it and ": Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Swampcycling (, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Cumulative upkeep—Pay 2 life. (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.)

Prevent all damage that would be dealt to creatures you control.

Creature tokens you control have ": Add one mana of any color."

Whenever one or more creature cards leave your graveyard, create a 0/1 green Plant creature token, then put a +1/+1 counter on each Plant you control.

The next creature spell you cast this turn can't be countered.

Draw a card.

Draw two cards. Exile Inspiring Refrain with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Put a -1/-1 counter on target creature.

Draw a card.

Counter target activated ability from an artifact, creature, enchantment, or land. That permanent's activated abilities can't be activated this turn. <I>(Mana abilities can't be targeted.)</I>

Draw a card.

Counter target spell that targets a creature.

Lifelink

When Intrepid Adversary enters the battlefield, you may pay any number of times. When you pay this cost one or more times, put that many valor counters on Intrepid Adversary.

Creatures you control get +1/+1 for each valor counter on Intrepid Adversary.

Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard. Create a 0/0 colorless Thopter artifact creature token with flying, then put a +1/+1 counter on it for each card put into your graveyard this way.

When Invading Manticore enters the battlefield, amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)

(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 Invasion of Moag enters the battlefield, put a +1/+1 counter on each creature you control.

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

I — Scry 2.

II — Draw a card. Then you may reveal a Giant card from your hand. When you do, Invasion of the Giants deals 2 damage to target opponent or planeswalker.

III — The next Giant spell you cast this turn costs less to cast.

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

I — Return up to one target creature or planeswalker to its owner's hand.

II — Return an artifact card from your graveyard to your hand. If you can't, draw a card.

III — Exile this Saga, then return it to the battlefield transformed under your control.

Investigator's Journal enters the battlefield with a number of suspect counters on it equal to the greatest number of creatures a player controls.

, , Remove a suspect counter from Investigator's Journal: Draw a card.

, Sacrifice Investigator's Journal: Draw a card.

Invigorating Hot Spring enters the battlefield with four +1/+1 counters on it.

Modified creatures you control have haste. (Equipment, Auras you control, and counters are modifications.)

Remove a +1/+1 counter from Invigorating Hot Spring: Put a +1/+1 counter on target creature you control. Activate only as a sorcery and only once each turn.

Return target permanent card from your graveyard to the battlefield, then distribute four +1/+1 counters among any number of creatures and/or Vehicles target player controls.

Create two 4/5 green Spirit creature tokens. For each of them, put your choice of a vigilance counter, a reach counter, or a trample counter on it.