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.

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.

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

Cycling {B} ({B}, Discard this card: Draw a card.)

({T}: Add {B} or {G}.)

({T}: Add {B} or {G}.)

At the beginning of each player's upkeep, that player sacrifices an artifact, creature, or land.

Trample

Centaur Vinecrasher enters the battlefield with a number of +1/+1 counters on it equal to the number of land cards in all graveyards.

Whenever a land card is put into a graveyard from anywhere, you may pay {G}{G}. If you do, return Centaur Vinecrasher from your graveyard to your hand.

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

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

Search your library for a land card, put that card onto the battlefield, then shuffle.

You may play lands from your graveyard.

{T}: Exile target land card from a graveyard. Add one mana of any color.

{B}, {T}: Exile target instant or sorcery card from a graveyard. Each opponent loses 2 life.

{G}, {T}: Exile target creature card from a graveyard. You gain 2 life.

Search your library for a card, put that card into your hand, then shuffle.

At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land. Desolation deals 2 damage to each player who sacrificed a Plains this way.

{T}: Add {C}.

{3}, {T}, Sacrifice a land: Destroy target nonbasic land.

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

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.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

{T}: Add {G} for each creature you control.

Reveal the top X cards of your library. You may put any number of permanent cards with mana value X or less from among them onto the battlefield. Then put all cards revealed this way that weren't put onto the battlefield into your graveyard.

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Golgari Rot Farm enters the battlefield tapped.

When Golgari Rot Farm enters the battlefield, return a land you control to its owner's hand.

{T}: Add {B}{G}.

Mill three cards, then you may return a creature or land card from your graveyard to your hand.

Choose one or both --

• Return target creature card from your graveyard to your hand.

• Return target land card from your graveyard to your hand.

Trample

Whenever Grim Flayer deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Delirium -- Grim Flayer gets +2/+2 as long as there are four or more card types among cards in your graveyard.

Flying, lifelink

Pay 7 life: Draw seven cards.

Reveal the top five cards of your library. You may put a creature or land card from among them into your hand. Put the rest into your graveyard.

{1}{G}: Return target basic land card from your graveyard to your hand.

Flying

Landfall -- Whenever a land enters the battlefield under your control, other creatures you control get +1/+0 until end of turn. If that land is a Swamp, those creatures get +2/+0 until end of turn instead.

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

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

Flying

Cumulative upkeep--Gain control of a land you don't control. (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.)

Herald of Leshrac gets +1/+1 for each land you control but don't own.

When Herald of Leshrac leaves the battlefield, each player gains control of each land they own that you control.

Whenever a player plays a land, that player draws a card.

Landfall -- Whenever a land enters the battlefield under your control, you may put a quest counter on Khalni Heart Expedition.

Remove three quest counters from Khalni Heart Expedition and sacrifice it: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

{T}: Untap target land.

Threshold -- {T}: Untap up to three target lands. Activate only if seven or more cards are in your graveyard.

If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard.

{T}: Add {B}.

{T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.

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.)

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

Flying

Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

Reveal the top four cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard.

Myriad Landscape enters the battlefield tapped.

{T}: Add {C}.

{2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Return target permanent card from your graveyard to your hand.

Skip your draw step.

Whenever you discard a card, exile that card from your graveyard.

Pay 1 life: Exile the top card of your library face down. Put that card into your hand at the beginning of your next end step.

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

Return X target cards from your graveyard to your hand. Exile Nostalgic Dreams.

Landfall -- Whenever a land enters the battlefield under your control, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis, the Fallen.

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.

({T}: Add {B} or {G}.)

As Overgrown Tomb enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Trample

Whenever a source deals damage to Phyrexian Obliterator, that source's controller sacrifices that many permanents.

Trample

Landfall -- Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.

Target player discards a card.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Search your library for up to four land cards with different names and reveal them. An opponent chooses two of those cards. Put the chosen cards into your graveyard and the rest into your hand. Then shuffle.

Put target creature card from a graveyard onto the battlefield under your control. You lose life equal to its mana value.

You have no maximum hand size.

{T}: Add {C}.

{T}: You may put a land card from your hand onto the battlefield.

When Satyr Wayfinder enters the battlefield, reveal the top four cards of your library. You may put a land card from among them into your hand. Put the rest into your graveyard.

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

Return any number of cards with different mana values from your graveyard to your hand. Put Seasons Past on the bottom of its owner's library.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

At the beginning of your upkeep, return target creature card from your graveyard to the battlefield.

At the beginning of each opponent's upkeep, that player sacrifices a creature.

Slippery Karst enters the battlefield tapped.

{T}: Add {G}.

Cycling {2} ({2}, Discard this card: Draw a card.)

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

Return target creature card from your graveyard to your hand.

Threshold -- Return that card from your graveyard to the battlefield instead if seven or more cards are in your graveyard.

{B}{B}, Pay 2 life, Sacrifice a Swamp: Return target creature card from your graveyard to the battlefield.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

You may play up to three additional lands this turn.

{G}, Discard a creature card: Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Reach

When Sylvan Primordial enters the battlefield, for each opponent, destroy target noncreature permanent that player controls. For each permanent destroyed this way, search your library for a Forest card and put that card onto the battlefield tapped. Then shuffle.

Temple of Malady enters the battlefield tapped.

When Temple of Malady enters the battlefield, scry 1.

{T}: Add {B} or {G}.

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.

Trample

Terravore's power and toughness are each equal to the number of land cards in all graveyards.

Deathtouch

At the beginning of your upkeep, sacrifice The Gitrog Monster unless you sacrifice a land.

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

Whenever one or more land cards are put into your graveyard from anywhere, draw a card.

All creatures have "At the beginning of your upkeep, destroy this creature unless you pay {1}."

When Tilling Treefolk enters the battlefield, you may return up to two target land cards from your graveyard to your hand.

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.

Tranquil Thicket enters the battlefield tapped.

{T}: Add {G}.

Cycling {G} ({G}, Discard this card: Draw a card.)

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Delirium -- If there are four or more card types among cards in your graveyard, instead search your library for a creature or land card, reveal it, put it into your hand, then shuffle.

Each land is a Swamp in addition to its other land types.

Search your library for a card, then shuffle and put that card on top. You lose 2 life.

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

Choose three. You may choose the same mode more than once.

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

• Return target permanent card from your graveyard to your hand.

• Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

{1}{G}, Sacrifice Vessel of Nascency: Reveal the top four cards of your library. You may put an artifact, creature, enchantment, land, or planeswalker card from among them into your hand. Put the rest into your graveyard.

{T}: Add {C}.

{1}{B}, {T}: Put target creature card from your graveyard on top of your library.

Trample

Whenever you tap a land for mana, add one mana of any type that land produced.

Whenever an opponent taps a land for mana, that land doesn't untap during its controller's next untap step.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

{T}: Add {G}.

Threshold -- Werebear gets +3/+3 as long as seven or more cards are in your graveyard.

Woodland Cemetery enters the battlefield tapped unless you control a Swamp or a Forest.

{T}: Add {B} or {G}.

Create a 1/1 black and green Worm creature token for each land card in your graveyard.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

{T}: Add {C}.

{G}, {T}: Regenerate target creature.

Until end of turn, you may play lands and cast spells from your graveyard.

If a card would be put into your graveyard from anywhere this turn, exile that card instead.