: Add .

, Exile a land card from your graveyard: Hostile Desert becomes a 3/4 Elemental creature until end of turn. It's still a land.

Hideaway 4 (When this land enters the battlefield, 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 the battlefield tapped.

: Add .

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

Icatian Store enters the battlefield 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 the battlefield tapped.

(: 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.

Immersturm Skullcairn enters the battlefield tapped.

: Add .

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

: 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.)

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.

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life.

: Add .

, , Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

(: Add or .)

Irrigated Farmland enters the battlefield tapped.

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

Isolated Chapel enters the battlefield tapped unless you control a Plains or a Swamp.

: Add or .

(Transforms from Growing Rites of Itlimoc.)

: Add .

: Add for each creature you control.

Izzet Guildgate enters the battlefield tapped.

: Add or .

(CARDNAME isn't a spell, it's affected by summoning sickness, it's blue, and it has ": Add .")

CARDNAME enters the battlefield tapped.

CARDNAME doesn't untap during your untap step.

At the beginning of your upkeep, you may pay . If you do, untap CARDNAME.

: Add .

, , Sacrifice Jund Panorama: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

: Add or .

: Add .

, , Sacrifice Junktown: Create three Junk tokens. (They're artifacts with ", Sacrifice this artifact: Exile the top card of your library. You may play that card this turn. Activate only as a sorcery.")

Jwar Isle Refuge enters the battlefield tapped.

When Jwar Isle Refuge enters the battlefield, you gain 1 life.

: Add or .

Kabira Crossroads enters the battlefield tapped.

When Kabira Crossroads enters the battlefield, you gain 2 life.

: Add .

: Add .

: Return target legendary creature to its owner's hand.

Karoo enters the battlefield tapped.

When Karoo enters the battlefield, sacrifice it unless you return an untapped Plains you control to its owner's hand.

: Add .

Kazandu Refuge enters the battlefield tapped.

When Kazandu Refuge enters the battlefield, you gain 1 life.

: Add or .

Kazuul's Cliffs enters the battlefield tapped.

: Add .

: Add .

, , Sacrifice a creature: Keldon Necropolis deals 2 damage to any target.

(: Add , , or .)

Ketria Triome enters the battlefield tapped.

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

Khalni Territory enters the battlefield tapped.

: Add .

Kitchen enters the battlefield tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

: Add .

, : Prevent all combat damage that would be dealt by target attacking creature this turn.

Krosan Verge enters the battlefield tapped.

: Add .

, , Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.

If you control two or more other lands, Lair of the Hydra enters the battlefield tapped.

: Add .

: Until end of turn, Lair of the Hydra becomes an X/X green Hydra creature. It's still a land. X can't be 0.

Land Cap doesn't untap during your untap step if it has a depletion counter on it.

At the beginning of your upkeep, remove a depletion counter from Land Cap.

: Add or . Put a depletion counter on Land Cap.

Lava Tubes doesn't untap during your untap step if it has a depletion counter on it.

At the beginning of your upkeep, remove a depletion counter from Lava Tubes.

: Add or . Put a depletion counter on Lava Tubes.

: Add .

(: Add .)

Leechridden Swamp enters the battlefield tapped.

, : Each opponent loses 1 life. Activate only if you control two or more black permanents.

Library enters the battlefield tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Littjara Mirrorlake enters the battlefield tapped.

: Add .

, , Sacrifice Littjara Mirrorlake: Create a token that's a copy of target creature you control, except it enters the battlefield with an additional +1/+1 counter on it. Activate only as a sorcery.

: Add .

: Add or . Llanowar Wastes deals 1 damage to you.

Lonely Sandbar enters the battlefield tapped.

: Add .

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

Lorehold Campus enters the battlefield tapped.

: Add or .

, : Scry 1.

Hexproof

Lotus Field enters the battlefield tapped.

When Lotus Field enters the battlefield, sacrifice two lands.

: Add three mana of any one color.

Lounge enters the battlefield tapped.

: Add or .

, : Investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Lush Oasis enters the battlefield tapped.

When Lush Oasis enters the battlefield, it deals 1 damage to target opponent.

: Add or .

Luxury Suite enters the battlefield tapped unless you have two or more opponents.

: Add or .

When Maestros Theater enters the battlefield, sacrifice it. When you do, search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle and you gain 1 life.

Magosi, the Waterveil enters the battlefield tapped.

: Add .

, : Put an eon counter on Magosi, the Waterveil. Skip your next turn.

, Remove an eon counter from Magosi, the Waterveil and return it to its owner's hand: Take an extra turn after this one.

Malakir Mire enters the battlefield tapped.

: Add .

Manor Gate enters the battlefield tapped.

As Manor Gate enters the battlefield, choose a color other than green.

: Add or one mana of the chosen color.

, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.

: Add .

: Untap target attacking creature with shadow. Prevent all combat damage that would be dealt to and dealt by that creature this turn.