Whenever a permanent enters the battlefield tapped and under your control, untap it.
--
Ancient Tomb
Land
{T}: Add {C}{C}. Ancient Tomb deals 2 damage to you.
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{1}{B}{G}{U}
Archelos, Lagoon Mystic
Legendary Creature - Turtle Shaman
As long as Archelos, Lagoon Mystic is tapped, other permanents enter the battlefield tapped.
As long as Archelos is untapped, other permanents enter the battlefield untapped.
2 /
4
{2}{U}
As Foretold
Enchantment
At the beginning of your upkeep, put a time counter on As Foretold.
Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on As Foretold.
{5}{G}{G}
Avenger of Zendikar
Creature - Elemental
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.
5 /
5
{2}{G}
Azusa, Lost but Seeking
Legendary Creature - Human Monk
You may play two additional lands on each of your turns.
1 /
2
--
Bayou
Land - Swamp Forest
({T}: Add {B} or {G}.)
{G}
Birds of Paradise
Creature - Bird
Flying
{T}: Add one mana of any color.
0 /
1
--
Bloodstained Mire
Land
{T}, Pay 1 life, Sacrifice Bloodstained Mire: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.
--
Bojuka Bog
Land
Bojuka Bog enters the battlefield tapped.
When Bojuka Bog enters the battlefield, exile target player's graveyard.
{T}: Add {B}.
--
Breeding Pool
Land - Forest Island
({T}: Add {G} or {U}.)
As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{4}{U}{U}
Consecrated Sphinx
Creature - Sphinx
Flying
Whenever an opponent draws a card, you may draw two cards.
4 /
6
{U}{U}
Counterspell
Instant
Counter target spell.
{3}
Crucible of Worlds
Artifact
You may play lands from your graveyard.
{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.")
{2}
Damping Sphere
Artifact
If a land is tapped for two or more mana, it produces {C} instead of any other type and amount.
Each spell a player casts costs {1} more to cast for each other spell that player has cast this turn.
{B/G}
Deathrite Shaman
Creature - Elf Shaman
{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.
1 /
2
{2}
Defense Grid
Artifact
Each spell costs {3} more to cast except during its controller's turn.
{2}
Dimir Signet
Artifact
{1}, {T}: Add {U}{B}.
{1}{U}
Dramatic Reversal
Instant
Untap all nonland permanents you control.
{1}{G}
Earthcraft
Enchantment
Tap an untapped creature you control: Untap target basic land.
{3}
Ensnaring Bridge
Artifact
Creatures with power greater than the number of cards in your hand can't attack.
{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}
Farseek
Sorcery
Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
{1}{U}{U}
Fatespinner
Creature - Human Wizard
At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.
1 /
2
--
Flooded Strand
Land
{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.
--
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}.)
{2}{U}
Freed from the Real
Enchantment - Aura
Enchant creature
{U}: Tap enchanted creature.
{U}: Untap enchanted creature.
{4}{U}{U}
Frost Titan
Creature - Giant
Whenever Frost Titan becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.
Whenever Frost Titan enters the battlefield or attacks, tap target permanent. It doesn't untap during its controller's next untap step.
6 /
6
{2}
Golgari Signet
Artifact
{1}, {T}: Add {B}{G}.
--
Holdout Settlement
Land
{T}: Add {C}. ({C} represents colorless mana.)
{T}, Tap an untapped creature you control: Add one mana of any color.
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
{2}{G}
Kodama's Reach
Sorcery - Arcane
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.
{G}
Loam Dryad
Creature - Dryad Horror
{T}, Tap an untapped creature you control: Add one mana of any color.
1 /
2
{1}{G}
Lotus Cobra
Creature - Snake
Landfall -- Whenever a land enters the battlefield under your control, add one mana of any color.
2 /
1
{0}
Mana Crypt
Artifact
At the beginning of your upkeep, flip a coin. If you lose the flip, Mana Crypt deals 3 damage to you.
{T}: Add {C}{C}.
{U}{U}
Mana Drain
Instant
Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.
{1}
Mana Vault
Artifact
Mana Vault doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault.
At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you.
{T}: Add {C}{C}{C}.
--
Marsh Flats
Land
{T}, Pay 1 life, Sacrifice Marsh Flats: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle.
{1}
Meekstone
Artifact
Creatures with power 3 or greater don't untap during their controllers' untap steps.
--
Misty Rainforest
Land
{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.
{U}
Mothdust Changeling
Creature - Shapeshifter
Changeling (This card is every creature type.)
Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.
1 /
1
{4}{U}
Mulldrifter
Creature - Elemental
Flying
When Mulldrifter enters the battlefield, draw two cards.
Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)
2 /
2
{2}{G/U}{G/U}{G/U}
Murkfiend Liege
Creature - Horror
Other green creatures you control get +1/+1.
Other blue creatures you control get +1/+1.
Untap all green and/or blue creatures you control during each other player's untap step.
4 /
4
{2}{U}{B}
Notion Thief
Creature - Human Rogue
Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.
3 /
1
{2}{U}{U}
Opposition
Enchantment
Tap an untapped creature you control: Tap target artifact, creature, or land.
--
Overgrown Tomb
Land - Swamp Forest
({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.
{2}{U}
Propaganda
Enchantment
Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.
{2}{G}
Ramunap Excavator
Creature - Snake Cleric
You may play lands from your graveyard.
2 /
3
{3}{G}
Ranger's Path
Sorcery
Search your library for up to two Forest cards, put them onto the battlefield tapped, then shuffle.
{2}{U}
Rhystic Study
Enchantment
Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.
{3}{U}{U}{U}
Roil Elemental
Creature - Elemental
Flying
Landfall -- Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.
3 /
2
{G}
Saruli Caretaker
Creature - Dryad
Defender
{T}, Tap an untapped creature you control: Add one mana of any color.
0 /
3
--
Scalding Tarn
Land
{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.
{1}{G}
Scavenging Ooze
Creature - Ooze
{G}: Exile target card from a graveyard. If it was a creature card, put a +1/+1 counter on Scavenging Ooze and you gain 1 life.
2 /
2
{2}{G}
Scute Swarm
Creature - Insect
Landfall -- Whenever a land enters the battlefield under your control, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.
1 /
1
{3}{G}{G}
Seedborn Muse
Creature - Spirit
Untap all permanents you control during each other player's untap step.
2 /
4
{1}
Sensei's Divining Top
Artifact
{1}: Look at the top three cards of your library, then put them back in any order.
{T}: Draw a card, then put Sensei's Divining Top on top of its owner's library.
{2}
Simic Signet
Artifact
{1}, {T}: Add {G}{U}.
{3}{G}
Skyshroud Claim
Sorcery
Search your library for up to two Forest cards, put them onto the battlefield, then shuffle.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{3}{G}
Splendid Reclamation
Sorcery
Return all land cards from your graveyard to the battlefield tapped.
{1}
Springleaf Drum
Artifact
{T}, Tap an untapped creature you control: Add one mana of any color.
{3}
Static Orb
Artifact
As long as Static Orb is untapped, players can't untap more than two permanents during their untap steps.
{3}
Storage Matrix
Artifact
As long as Storage Matrix is untapped, each player chooses artifact, creature, or land during their untap step. That player can untap only permanents of the chosen type this step.
--
Strip Mine
Land
{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.
--
Sunken Hollow
Land - Island Swamp
({T}: Add {U} or {B}.)
Sunken Hollow enters the battlefield tapped unless you control two or more basic lands.
--
Survivors' Encampment
Land - Desert
{T}: Add {C}.
{T}, Tap an untapped creature you control: Add one mana of any color.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{1}{G}
Sylvan Library
Enchantment
At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.
{G}{U}
Thrasios, Triton Hero
Legendary Creature - Merfolk Wizard
{4}: Scry 1, then reveal the top card of your library. If it's a land card, put it onto the battlefield tapped. Otherwise, draw a card.
Partner (You can have two commanders if both have partner.)
1 /
3
--
Tropical Island
Land - Forest Island
({T}: Add {G} or {U}.)
--
Verdant Catacombs
Land
{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.