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.
--
Arcane Sanctum
Land
Arcane Sanctum enters the battlefield tapped.
{T}: Add {W}, {U}, or {B}.
{1}{U/B}{U/B}
Ashiok, Dream Render
Legendary Planeswalker - Ashiok
Spells and abilities your opponents control can't cause their controller to search their library.
-1: Target player mills four cards. Then exile each opponent's graveyard.
L:
5
{3}{G}{G}
Awakening of Vitu-Ghazi
Instant
Put nine +1/+1 counters on target land you control. It becomes a legendary 0/0 Elemental creature with haste named Vitu-Ghazi. It's still a land.
--
Azorius Guildgate
Land - Gate
Azorius Guildgate enters the battlefield tapped.
{T}: Add {W} or {U}.
{2}{G}
Azusa, Lost but Seeking
Legendary Creature - Human Monk
You may play two additional lands on each of your turns.
1 /
2
{5}{B}{B}
Behold the Beyond
Sorcery
Discard your hand. Search your library for three cards, put them into your hand, then shuffle.
--
Blood Crypt
Land - Swamp Mountain
({T}: Add {B} or {R}.)
As Blood Crypt enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Boros Guildgate
Land - Gate
Boros Guildgate enters the battlefield tapped.
{T}: Add {R} or {W}.
{1}{G}
Broken Bond
Sorcery
Destroy target artifact or enchantment. You may put a land card from your hand onto the battlefield.
{G}
Burgeoning
Enchantment
Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.
{X}
Chamber Sentry
Artifact Creature - Construct
Chamber Sentry enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.
{X}, {T}, Remove X +1/+1 counters from Chamber Sentry: It deals X damage to any target.
{W}{U}{B}{R}{G}: Return Chamber Sentry from your graveyard to your hand.
0 /
0
{W}{U}{B}{R}{G}
Child of Alara
Legendary Creature - Avatar
Trample
When Child of Alara dies, destroy all nonland permanents. They can't be regenerated.
6 /
6
{3}
Chromatic Lantern
Artifact
Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.
{3}{G}
Circuitous Route
Sorcery
Search your library for up to two basic land cards and/or Gate cards, put them onto the battlefield tapped, then shuffle.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}{G}{G}
Creeping Renaissance
Sorcery
Choose a permanent type. Return all cards of the chosen type from your graveyard to your hand.
Flashback {5}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{3}
Crucible of Worlds
Artifact
You may play lands from your graveyard.
--
Crumbling Necropolis
Land
Crumbling Necropolis enters the battlefield tapped.
{T}: Add {U}, {B}, or {R}.
{1}{U}
Cyclonic Rift
Instant
Return target nonland permanent you don't control to its owner's hand.
Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
{4}
Darksteel Reactor
Artifact
Indestructible (Effects that say "destroy" don't destroy this artifact.)
At the beginning of your upkeep, you may put a charge counter on Darksteel Reactor.
When Darksteel Reactor has twenty or more charge counters on it, you win the game.
--
Dimir Guildgate
Land - Gate
Dimir Guildgate enters the battlefield tapped.
{T}: Add {U} or {B}.
{2}{G}
District Guide
Creature - Elf Scout
When District Guide enters the battlefield, you may search your library for a basic land card or Gate card, reveal it, put it into your hand, then shuffle.
2 /
2
{1}{G}{G}
Eternal Witness
Creature - Human Shaman
When Eternal Witness enters the battlefield, you may return target card from your graveyard to your hand.
2 /
1
{1}{G}
Explore
Sorcery
You may play an additional land this turn.
Draw a card.
--
Foreboding Ruins
Land
As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped.
{T}: Add {B} or {R}.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forsaken Sanctuary
Land
Forsaken Sanctuary enters the battlefield tapped.
{T}: Add {W} or {B}.
--
Foul Orchard
Land
Foul Orchard enters the battlefield tapped.
{T}: Add {B} or {G}.
--
Frontier Bivouac
Land
Frontier Bivouac enters the battlefield tapped.
{T}: Add {G}, {U}, or {R}.
{2}{G}
Gatebreaker Ram
Creature - Sheep
Gatebreaker Ram gets +1/+1 for each Gate you control.
As long as you control two or more Gates, Gatebreaker Ram has vigilance and trample.
2 /
2
{1}{G}
Gatecreeper Vine
Creature - Plant
Defender
When Gatecreeper Vine enters the battlefield, you may search your library for a basic land card or a Gate card, reveal it, put it into your hand, then shuffle.
0 /
2
{6}
Gatekeeper Gargoyle
Artifact Creature - Gargoyle
Flying
Gatekeeper Gargoyle enters the battlefield with a +1/+1 counter on it for each Gate you control.
3 /
3
{2}{R}
Gates Ablaze
Sorcery
Gates Ablaze deals X damage to each creature, where X is the number of Gates you control.
--
Gateway Plaza
Land - Gate
Gateway Plaza enters the battlefield tapped.
When Gateway Plaza enters the battlefield, sacrifice it unless you pay {1}.
{T}: Add one mana of any color.
{2}{W}
Ghostly Prison
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
{2}
Glaive of the Guildpact
Artifact - Equipment
Equipped creature gets +1/+0 for each Gate you control and has vigilance and menace. (A creature with menace can't be blocked except by two or more creatures.)
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)
--
Golgari Guildgate
Land - Gate
Golgari Guildgate enters the battlefield tapped.
{T}: Add {B} or {G}.
{G}{U}
Growth Spiral
Instant
Draw a card. You may put a land card from your hand onto the battlefield.
--
Gruul Guildgate
Land - Gate
Gruul Guildgate enters the battlefield tapped.
{T}: Add {R} or {G}.
{2}{U}
Guild Summit
Enchantment
When Guild Summit enters the battlefield, you may tap any number of untapped Gates you control. Draw a card for each Gate tapped this way.
Whenever a Gate enters the battlefield under your control, draw a card.
{G}
Helix Pinnacle
Enchantment
Shroud (This enchantment can't be the target of spells or abilities.)
{X}: Put X tower counters on Helix Pinnacle.
At the beginning of your upkeep, if there are 100 or more tower counters on Helix Pinnacle, you win the game.
{3}
Horn of Greed
Artifact
Whenever a player plays a land, that player draws a card.
{3}{G}
Into the Wilds
Enchantment
At the beginning of your upkeep, look at the top card of your library. If it's a land card, you may put it onto the battlefield.
{1}{U}{R}
Ionize
Instant
Counter target spell. Ionize deals 2 damage to that spell's controller.
--
Izzet Guildgate
Land - Gate
Izzet Guildgate enters the battlefield tapped.
{T}: Add {U} or {R}.
--
Jungle Shrine
Land
Jungle Shrine enters the battlefield tapped.
{T}: Add {R}, {G}, or {W}.
{R}{G}{W}{U}
Kynaios and Tiro of Meletis
Legendary Creature - Human Soldier
At the beginning of your end step, draw a card. Each player may put a land card from their hand onto the battlefield, then each opponent who didn't draws a card.
2 /
8
{6}{G}{G}
Liege of the Tangle
Creature - Elemental
Trample
Whenever Liege of the Tangle deals combat damage to a player, you may choose any number of target lands you control and put an awakening counter on each of them. Each of those lands is an 8/8 green Elemental creature for as long as it has an awakening counter on it. They're still lands.
8 /
8
{1}{G}
Life from the Loam
Sorcery
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.)
{5}{W}{W}
Luminate Primordial
Creature - Avatar
Vigilance
When Luminate Primordial enters the battlefield, for each opponent, exile up to one target creature that player controls and that player gains life equal to its power.
4 /
7
--
Maze's End
Land
Maze's End enters the battlefield tapped.
{T}: Add {C}.
{3}, {T}, Return Maze's End to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle. If you control ten or more Gates with different names, you win the game.
{4}{W}{B}
Merciless Eviction
Sorcery
Choose one --
• Exile all artifacts.
• Exile all creatures.
• Exile all enchantments.
• Exile all planeswalkers.
{2}{R}{G}
Mina and Denn, Wildborn
Legendary Creature - Elf Ally
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.
4 /
4
--
Mystic Monastery
Land
Mystic Monastery enters the battlefield tapped.
{T}: Add {U}, {R}, or {W}.
{U}{U}
Narset's Reversal
Instant
Copy target instant or sorcery spell, then return it to its owner's hand. You may choose new targets for the copy.
{U}{B}{B}{B}{R}
Nicol Bolas, Dragon-God
Legendary Planeswalker - Bolas
Nicol Bolas, Dragon-God has all loyalty abilities of all other planeswalkers on the battlefield.
+1: You draw a card. Each opponent exiles a card from their hand or a permanent they control.
-3: Destroy target creature or planeswalker.
-8: Each opponent who doesn't control a legendary creature or planeswalker loses the game.
L:
4
--
Nomad Outpost
Land
Nomad Outpost enters the battlefield tapped.
{T}: Add {R}, {W}, or {B}.
{3}{R}{R}{G}{G}
Omnath, Locus of Rage
Legendary Creature - Elemental
Landfall -- Whenever a land enters the battlefield under your control, create a 5/5 red and green Elemental creature token.
Whenever Omnath, Locus of Rage or another Elemental you control dies, Omnath deals 3 damage to any target.
5 /
5
--
Opulent Palace
Land
Opulent Palace enters the battlefield tapped.
{T}: Add {B}, {G}, or {U}.
--
Orzhov Guildgate
Land - Gate
Orzhov Guildgate enters the battlefield tapped.
{T}: Add {W} or {B}.
{1}{U}
Quench
Instant
Counter target spell unless its controller pays {2}.
--
Rakdos Guildgate
Land - Gate
Rakdos Guildgate enters the battlefield tapped.
{T}: Add {B} or {R}.
{2}{G}
Ramunap Excavator
Creature - Naga Cleric
You may play lands from your graveyard.
2 /
3
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{1}{W}
Sacred Ground
Enchantment
Whenever a spell or ability an opponent controls causes a land to be put into your graveyard from the battlefield, return that card to the battlefield.
{G}
Sakura-Tribe Scout
Creature - Snake Shaman Scout
{T}: You may put a land card from your hand onto the battlefield.
1 /
1
--
Sandsteppe Citadel
Land
Sandsteppe Citadel enters the battlefield tapped.
{T}: Add {W}, {B}, or {G}.
--
Savage Lands
Land
Savage Lands enters the battlefield tapped.
{T}: Add {B}, {R}, or {G}.
{2}{G}{G}
Scapeshift
Sorcery
Sacrifice any number of lands. Search your library for up to that many land cards, put them onto the battlefield tapped, then shuffle.
--
Seaside Citadel
Land
Seaside Citadel enters the battlefield tapped.
{T}: Add {G}, {W}, or {U}.
{3}{G}{G}
Seedborn Muse
Creature - Spirit
Untap all permanents you control during each other player's untap step.
2 /
4
--
Selesnya Guildgate
Land - Gate
Selesnya Guildgate enters the battlefield tapped.
{T}: Add {G} or {W}.
--
Simic Guildgate
Land - Gate
Simic Guildgate enters the battlefield tapped.
{T}: Add {G} or {U}.
{3}{W}{W}
Single Combat
Sorcery
Each player chooses a creature or planeswalker they control, then sacrifices the rest. Players can't cast creature or planeswalker spells until the end of your next turn.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{3}{G}
Splendid Reclamation
Sorcery
Return all land cards from your graveyard to the battlefield tapped.
--
Stone Quarry
Land
Stone Quarry enters the battlefield tapped.
{T}: Add {R} or {W}.
{1}{G}
Summer Bloom
Sorcery
You may play up to three additional lands this turn.
{1}{W}{W}{U}
Supreme Verdict
Sorcery
This spell can't be countered.
Destroy all creatures.
{2}{G}
Sylvan Awakening
Sorcery
Until your next turn, all lands you control become 2/2 Elemental creatures with reach, indestructible, and haste. They're still lands.
{1}{G}
Sylvan Scrying
Sorcery
Search your library for a land card, reveal it, put it into your hand, then shuffle.
{2}
Thaumatic Compass
Artifact
{3}, {T}: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.
At the beginning of your end step, if you control seven or more lands, transform Thaumatic Compass.
--
Spires of Orazca
Land
(Transforms from Thaumatic Compass.)
{T}: Add {C}.
{T}: Untap target attacking creature an opponent controls and remove it from combat.
{3}{G}{G}
The Mending of Dominaria
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II -- Mill two cards, then you may return a creature card from your graveyard to your hand.
III -- Return all land cards from your graveyard to the battlefield, then shuffle your graveyard into your library.
--
Thespian's Stage
Land
{T}: Add {C}.
{2}, {T}: Thespian's Stage becomes a copy of target land, except it has this ability.
{1}{B}{B}
Underworld Connections
Enchantment - Aura
Enchant land
Enchanted land has "{T}, Pay 1 life: Draw a card."
--
Vesuva
Land
You may have Vesuva enter the battlefield tapped as a copy of any land on the battlefield.
{2}{G}
Wayward Swordtooth
Creature - Dinosaur
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.
5 /
5
--
Westvale Abbey
Land
{T}: Add {C}.
{5}, {T}, Pay 1 life: Create a 1/1 white and black Human Cleric creature token.
{5}, {T}, Sacrifice five creatures: Transform Westvale Abbey, then untap it.
--
Ormendahl, Profane Prince
Legendary Creature - Demon
Flying, lifelink, indestructible, haste
{3}{G}
Wilderness Reclamation
Enchantment
At the beginning of your end step, untap all lands you control.
--
Woodland Stream
Land
Woodland Stream enters the battlefield tapped.
{T}: Add {G} or {U}.
{3}{G}
World Shaper
Creature - Merfolk Shaman
Whenever World Shaper attacks, you may mill three cards.
When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.