Vigilance

Howling Galefang has haste as long as you own a card in exile that has an Adventure.

: Put target creature card from your graveyard on top of your library. Activate only during your turn, before attackers are declared.

+1: Put a loyalty counter on Huatli, Radiant Champion for each creature you control.

−1: Target creature gets +X/+X until end of turn, where X is the number of creatures you control.

−8: You get an emblem with "Whenever a creature you control enters, you may draw a card."

Destroy target Human creature.

Trample

Whenever Hungry Spriggan attacks, it gets +3/+3 until end of turn.

When Hurloon Shaman dies, each player sacrifices a land of their choice.

Hurricane deals X damage to each creature with flying and each player.

Science Teacher — Each Saga spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast that Saga, copy it for each time you paid its replicate cost. Copies of Saga spells become tokens.)

Doctor's companion (You can have two commanders if the other is the Doctor.)

Whenever Ian the Reckless attacks, if it's modified, you may have it deal damage equal to its power to you and any target. (Equipment, Auras you control, and counters are modifications.)

, , Discard a card: Create two 1/1 white Citizen creature tokens.

Icatian Javelineers enters with a javelin counter on it.

, Remove a javelin counter from Icatian Javelineers: It deals 1 damage to any target.

Icatian Moneychanger enters with three credit counters on it.

When Icatian Moneychanger enters, it deals 3 damage to you.

At the beginning of your upkeep, put a credit counter on Icatian Moneychanger.

Sacrifice Icatian Moneychanger: You gain 1 life for each credit counter on Icatian Moneychanger. Activate only during your upkeep.

: Target creature gets +1/+1 until end of turn.

First strike; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Whenever Icatian Skirmishers attacks, all creatures banded with it gain first strike until end of turn.

Create four 1/1 white Citizen creature tokens.

Whenever Iceberg Titan attacks, you may tap or untap target artifact or creature.

Each +1/+1 counter on a creature you control is also a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

, : Roll two six-sided dice. For each odd result, put a +1/+1 counter on a creature of your choice. Activate only as a sorcery.

As Icon of Ancestry enters, choose a creature type.

Creatures you control of the chosen type get +1/+1.

, : Look at the top three cards of your library. You may reveal a creature card of the chosen type from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

When Idol of Endurance enters, exile all creature cards with mana value 3 or less from your graveyard until Idol of Endurance leaves the battlefield.

, : Until end of turn, you may cast a creature spell from among cards exiled with Idol of Endurance without paying its mana cost.

: Add .

, Pay 1 life: Add .

, , Sacrifice a Desert: Put two -1/-1 counters on target creature an opponent controls. Activate only as a sorcery.

Protection from white

Ceremorphosis — When Illithid Harvester enters, turn any number of target tapped nontoken creatures face down. They're 2/2 Horror creatures.

Draft Illusionary Informant face up.

During the draft, you may turn Illusionary Informant face down. If you do, look at the next card drafted by a player of your choice.

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.)

When Illusions of Grandeur enters, you gain 20 life.

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

, 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.

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.

When Imodane's Recruiter enters, creatures you control get +1/+0 and gain haste until end of turn.

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.

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.

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.

Whenever you draw your second card each turn, create a 1/1 blue Faerie creature token with flying.

: Draw a card, then discard a card.

Incandescent Aria deals 3 damage to each nontoken creature.

Choose two —

• Incendiary Command deals 4 damage to target player or planeswalker.

• Incendiary Command deals 2 damage to each creature.

• Destroy target nonbasic land.

• Each player discards all the cards in their hand, then draws that many cards.

Equipped creature gets +1/+1.

Whenever Inchblade Companion becomes attached to a creature, create a token that's a copy of Inchblade Companion, except it doesn't have this ability. This ability triggers only once each turn.

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

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

When Indoctrination Attendant enters, 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."

Flying

Metalcraft — Artifacts you control have shroud as long as you control three or more artifacts. (An artifact with shroud can't be the target of spells or abilities.)

Flying

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

At the beginning of your end step, if you gained 3 or more life this turn, each opponent loses 3 life.

: Target attacking creature gets +1/+1 until end of turn.

: Inferno Titan gets +1/+0 until end of turn.

Whenever Inferno Titan enters or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Whenever a creature dies, you may pay . If you do, draw a card.

Whenever Initiate's Companion deals combat damage to a player, untap target creature or land.

Ninjutsu (, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Ink-Eyes, Servant of Oni deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.

: Regenerate Ink-Eyes.

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.

Kicker

Choose one. If this spell was kicked, choose any number instead.

• Put two +1/+1 counters on target creature.

• Target player gains X life, where X is the greatest power among creatures they control.

• Target creature you control fights target creature you don't control.

Whenever another creature you control with power 2 or less enters, you gain 1 life and draw a card.

Other Knights you control get +1/+1.

All creatures are tokens. (They're considered tokens for spells and abilities. After a creature leaves the battlefield, it ceases to exist.)

Whenever you cast a planeswalker spell, you gain 1 life.

: Add .

, : Add two mana of different colors. Spend this mana only to cast planeswalker spells.

Reach

Pack tactics — Whenever Intrepid Outlander attacks, if you attacked with creatures with total power 6 or greater this combat, venture into the dungeon. (Enter the first room or advance to the next room.)