Whenever a permanent enters the battlefield tapped and under your control, untap it.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice a creature: Add {C}{C}.

You may play lands from your graveyard.

Each player may play an additional land on each of their turns. At the beginning of each player's upkeep, if that player has no cards in hand, that player draws three cards.

{1}, {T}: Add {R}{G}.

You may choose not to untap Helm of Possession during your untap step. {2}, {T}, Sacrifice a creature: Gain control of target creature for as long as you control Helm of Possession and Helm of Possession remains tapped.

Reach When Arboreal Grazer enters the battlefield, you may put a land card from your hand onto the battlefield tapped.

When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control. Landfall — Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.

You may play two additional lands on each of your turns.

Haste When Craterhoof Behemoth enters the battlefield, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.

You may play an additional land on each of your turns. Lands you control are every basic land type in addition to their other types.

Elvish Reclaimer gets +2/+2 as long as there are three or more land cards in your graveyard. {2}, {T}, Sacrifice a land: Search your library for a land card, put it onto the battlefield tapped, then shuffle.

{1}{R}, Discard a land card: Living Twister deals 2 damage to any target. {G}: Return a tapped land you control to its owner's hand.

Landfall — Whenever a land enters the battlefield under your control, add one mana of any color.

You may play an additional land on each of your turns. {R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn.

Each creature you control gets +1/+0 for each time it has attacked this turn. Landfall — Whenever a land enters the battlefield under your control, if it's your main phase, there's an additional combat phase after this phase. At the beginning of that combat, untap all creatures you control.

You may play an additional land on each of your turns. Play with the top card of your library revealed. You may play lands from the top of your library.

When Phylath, World Sculptor enters the battlefield, create a 0/1 green Plant creature token for each basic land you control. Landfall — Whenever a land enters the battlefield under your control, put four +1/+1 counters on target Plant you control.

Indestructible As long as your devotion to red is less than five, Purphoros isn't a creature. Whenever another creature enters the battlefield under your control, Purphoros deals 2 damage to each opponent. {2}{R}: Creatures you control get +1/+0 until end of turn.

You may play lands from your graveyard.

Landfall — Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.

When Titania, Protector of Argoth enters the battlefield, return target land card from your graveyard to the battlefield. Whenever a land you control is put into a graveyard from the battlefield, create a 5/3 green Elemental creature token.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) You may play an additional land on each of your turns. Wayward Swordtooth can't attack or block unless you have the city's blessing.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

Whenever a creature enters the battlefield under your control, you may look at the top X cards of your library, where X is that creature's power. If you do, put one of those cards on top of your library and the rest on the bottom of your library in any order.

Enchant creature Enchanted creature has "{T}: Create X 1/1 red Elemental creature tokens with haste, where X is this creature's power. Exile them at the beginning of the next end step."

{G}, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

You may play an additional land on each of your turns.

Sacrifice a creature: Goblin Bombardment deals 1 damage to any target.

Sacrifice a creature: Draw cards equal to the sacrificed creature's power, then discard three cards.

Whenever a creature with power 4 or greater enters the battlefield, its controller draws a card.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

{1}, Sacrifice a creature: Search your library for a land card with a basic land type, put it onto the battlefield tapped, then shuffle.

Creatures named Lightning Rager can't attack you or planeswalkers you control. At the beginning of each player's upkeep, that player creates a 5/1 red Elemental creature token named Lightning Rager. It has trample, haste, and "At the beginning of the end step, sacrifice this creature."

Choose one — • Draw cards equal to the greatest power among non-Human creatures you control. • Non-Human creatures you control get +3/+3 until end of turn.

{T}: Add {C}. {3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color in your commander's color identity.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

({T}: Add {G}.)

Gruul Turf enters the battlefield tapped. When Gruul Turf enters the battlefield, return a land you control to its owner's hand. {T}: Add {R}{G}.

({T}: Add {R}.)

You have no maximum hand size. {T}: Add {C}.

Slippery Karst enters the battlefield tapped. {T}: Add {G}. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {R} or {G}.) As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

+1: Untap target land you control. Until your next turn, it becomes a 5/5 Elemental creature with haste. It's still a land. −3: Return target permanent card from your graveyard to your hand. −6: You get an emblem with "Whenever a land enters the battlefield under your control, you may draw a card."

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Search your library for up to X basic land cards, where X is the number of lands you control, put them onto the battlefield tapped, then shuffle.

Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.

Exile the top five cards of your library. You may play cards exiled this way until the end of your next turn. You may play an additional land this turn.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. Threshold — If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Choose one — • Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle. • You may play up to two additional lands this turn. Entwine {2}{G} (Choose both if you pay the entwine cost.)

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Sacrifice X lands. For each land sacrificed this way, draw a card. You may play X additional lands this turn. Lands you control enter the battlefield tapped this turn.

Kicker—Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.) Search your library for a basic land card, put that card onto the battlefield, then shuffle. If this spell was kicked, instead search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

Sacrifice any number of lands. Search your library for up to that many land cards, put them onto the battlefield tapped, then shuffle.

Search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.

Return all land cards from your graveyard to the battlefield tapped.

You may play up to three additional lands this turn.

Tempting offer — Search your library for a land card and put it onto the battlefield. Each opponent may search their library for a land card and put it onto the battlefield. For each opponent who searches a library this way, search your library for a land card and put it onto the battlefield. Then each player who searched a library this way shuffles.