If you control a Swamp, destroy target nonblack creature.

Splice onto Arcane—Exile four cards from your graveyard. (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

: Add .

, , Sacrifice a creature: Put a soul counter on Hostile Hostel. Then if there are three or more soul counters on it, remove those counters, transform it, then untap it. Activate only as a sorcery.

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Raid — If you attacked this turn, when you next cast an instant or sorcery spell this turn, copy that spell an additional time. You may choose new targets for the copy.

Hideaway 4 (When this land enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Howltooth Hollow enters tapped.

: Add .

, : You may play the exiled card without paying its mana cost if each player has no cards in hand.

You may have Hulking Metamorph enter as a copy of an artifact or creature you control, except it's an artifact creature in addition to its other types, and its power and toughness are equal to Hulking Metamorph's power and toughness.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

3/3

Flash

If an opponent would draw a card except the first one they draw in each of their draw steps, instead you create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Vigilance

: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

As long as Hundred-Handed One is monstrous, it has reach and can block an additional ninety-nine creatures each combat.

(Gain the next level as a sorcery to add its ability.)

When Hunter's Talent enters, target creature you control deals damage equal to its power to target creature you don't control.

: Level 2

//Level_2//

Whenever you attack, target attacking creature gets +1/+0 and gains trample until end of turn.

: Level 3

//Level_3//

At the beginning of your end step, if you control a creature with power 4 or greater, draw a card.

Kicker (You may pay an additional as you cast this spell.)

Hurloon Battle Hymn deals 4 damage to target creature or planeswalker. If this spell was kicked, you gain 4 life.

As Hydroelectric Laboratory enters, you may pay 3 life. If you don't, it enters tapped.

: Add .

Icatian Store enters tapped.

You may choose not to untap Icatian Store during your untap step.

At the beginning of your upkeep, if Icatian Store is tapped, put a storage counter on it.

, Remove any number of storage counters from Icatian Store: Add for each storage counter removed this way.

(: Add or .)

Ice Tunnel enters tapped.

If you would roll one or more planar dice, instead roll that many planar dice plus one and ignore one.

: Add .

Planeswalkers you control have "0: Proliferate" and "–12: Take an extra turn after this one."

Whenever you cast a noncreature spell, choose a counter on target permanent. Put an additional counter of that kind on that permanent.

(: Add or .)

Idyllic Beachfront enters tapped.

: Add .

, Pay 1 life: Add .

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

Kicker and/or (You may pay an additional and/or as you cast this spell.)

Illuminate deals X damage to target creature. If this spell was kicked with its kicker, it deals X damage to that creature's controller. If this spell was kicked with its kicker, you draw X cards.

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.

Immersturm Skullcairn enters tapped.

: Add .

, , Sacrifice Immersturm Skullcairn: It deals 3 damage to target player. That player discards a card. Activate only as a sorcery.

Enchant creature, land, or planeswalker

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

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.")

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.)

Kicker (You may pay an additional as you cast this spell.)

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. If this spell was kicked, sacrifice that creature at the beginning of the next end step.

: Add one mana of any type that a land you control could produce. If Incubation Druid has a +1/+1 counter on it, add three mana of that type instead.

: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

: Add , , or .

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

Flying

: Target permanent becomes blue in addition to its other colors until end of turn.

As an additional cost to cast this spell, return X Swamps you control to their owner's hand.

Infernal Harvest deals X damage divided as you choose among any number of target creatures.

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

Add .

When Inherited Envelope enters, the Ring tempts you.

: Add one mana of any color.

: Add .

: Inkmoth Nexus becomes a 1/1 Phyrexian Blinkmoth artifact creature with flying and infect until end of turn. It's still a land. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Add for each card in your hand.

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

Flash

Flying

When you cast this spell, draw a card.

As an additional cost to cast this spell, discard X cards.

Search your library for X cards, then shuffle and put those cards on top in any order.

Exile the top three cards of your library. Until the end of your next turn, you may play those cards.

Create three Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

: Add one mana of any color.

, : Draw X cards, where X is the number of Bobbleheads you control.

Target creature attacks this turn if able.

Splice onto Arcane (As you cast an Arcane spell, you may reveal this card from your hand and pay its splice cost. If you do, add this card's effects to that spell.)

Kicker (You may pay an additional as you cast this spell.)

Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

When this creature enters, target creature you control gets +1/+1 until end of turn.

Inundated Archive enters tapped.

: Add or .

(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.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. Create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

Enchant creature

Enchanted creature gets +2/+2, has vigilance, and can block an additional creature each combat.

Add seven . You can cast only one more spell this turn.

: Add .

Irrigation Ditch enters tapped.

: Add .

, Sacrifice Irrigation Ditch: Add .

: Add .

, : Scry 1, then you may reveal the top card of your library. If a basic land card is revealed this way, put it onto the battlefield tapped. Activate only if an opponent controls at least two more lands than you.

(Transforms from Growing Rites of Itlimoc.)

: Add .

: Add for each creature you control.

Izzet Boilerworks enters tapped.

When Izzet Boilerworks enters, return a land you control to its owner's hand.

: Add .

Izzet Guildgate enters tapped.

: Add or .

: Add or .

, , Sacrifice Izzet Locket: Draw two cards.