At the beginning of your end step, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
4 /
4
{X}{U}{U}
Awakened Awareness
Enchantment - Aura
Enchant artifact or creature
When Awakened Awareness enters the battlefield, put X +1/+1 counters on enchanted permanent.
As long as enchanted permanent is a creature, it has base power and toughness 1/1.
--
Azorius Guildgate
Land - Gate
Azorius Guildgate enters the battlefield tapped.
{T}: Add {W} or {U}.
{1}{W}{W}
Basri Ket
Legendary Planeswalker - Basri
+1: Put a +1/+1 counter on up to one target creature. It gains indestructible until end of turn.
-2: Whenever one or more nontoken creatures attack this turn, create that many 1/1 white Soldier creature tokens that are tapped and attacking.
-6: You get an emblem with "At the beginning of combat on your turn, create a 1/1 white Soldier creature token, then put a +1/+1 counter on each creature you control."
L:
3
--
Blossoming Sands
Land
Blossoming Sands enters the battlefield tapped.
When Blossoming Sands enters the battlefield, you gain 1 life.
{T}: Add {G} or {W}.
{X}{W}{B}
Blot Out the Sky
Sorcery
Create X tapped 2/1 white and black Inkling creature tokens with flying. If X is 6 or more, destroy all noncreature, nonland permanents.
--
Boseiju, Who Endures
Legendary Land
{T}: Add {G}.
Channel -- {1}{G}, Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.
{G}{W}{U}
Brokers Charm
Instant
Choose one --
• Target creature you control gets +1/+0 until end of turn. It deals damage equal to its power to target creature or planeswalker an opponent controls.
• Destroy target enchantment.
• Draw two cards.
{2}{W}
Cloudsteel Kirin
Artifact Creature - Equipment Kirin
Flying
Equipped creature has flying and "You can't lose the game and your opponents can't win the game."
Reconfigure {5} ({5}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)
3 /
2
{2}{G}
Colossal Majesty
Enchantment
At the beginning of your upkeep, if you control a creature with power 4 or greater, draw a card.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{4}{W}
Constable of the Realm
Creature - Giant Soldier
Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)
Whenever one or more +1/+1 counters are put on Constable of the Realm, exile up to one other target nonland permanent until Constable of the Realm leaves the battlefield.
3 /
3
{4}
Core Prowler
Artifact Creature - Phyrexian Horror
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Core Prowler dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
2 /
2
{2}{B}{G}
Corpsejack Menace
Creature - Fungus
If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on it instead.
4 /
4
{2}{G}
Courage in Crisis
Sorcery
Put a +1/+1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{2}{G}
Cystbearer
Creature - Phyrexian Beast
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
3
--
Darkbore Pathway
Land
{T}: Add {B}.
--
Slitherbore Pathway
Land
{T}: Add {G}.
{4}{U}
Deepglow Skate
Creature - Fish
When Deepglow Skate enters the battlefield, double the number of each kind of counter on any number of target permanents.
3 /
3
--
Dismal Backwater
Land
Dismal Backwater enters the battlefield tapped.
When Dismal Backwater enters the battlefield, you gain 1 life.
{T}: Add {U} or {B}.
{2}{G}
Dryad of the Ilysian Grove
Enchantment Creature - Nymph Dryad
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.
2 /
4
{2}
Ecologist's Terrarium
Artifact
When Ecologist's Terrarium enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{2}, {T}, Sacrifice Ecologist's Terrarium: Put a +1/+1 counter on target creature. Activate only as a sorcery.
{2}{G}
Evolution Sage
Creature - Elf Druid
Landfall -- Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
3 /
2
{1}
Expedition Map
Artifact
{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle.
{3}{W}
Felidar Retreat
Enchantment
Landfall -- Whenever a land enters the battlefield under your control, choose one --
• Create a 2/2 white Cat Beast creature token.
• Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.
{2}{G}
Fertilid
Creature - Elemental
Fertilid enters the battlefield with two +1/+1 counters on it.
{1}{G}, Remove a +1/+1 counter from Fertilid: Target player searches their library for a basic land card, puts it onto the battlefield tapped, then shuffles.
0 /
0
{1}{B}
Flensermite
Creature - Phyrexian Gremlin
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
Lifelink (Damage dealt by this creature also causes you to gain that much life.)
1 /
1
--
Flooded Grove
Land
{T}: Add {C}.
{G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Gemstone Mine
Land
Gemstone Mine enters the battlefield with three mining counters on it.
{T}, Remove a mining counter from Gemstone Mine: Add one mana of any color. If there are no mining counters on Gemstone Mine, sacrifice it.
--
Glacial Fortress
Land
Glacial Fortress enters the battlefield tapped unless you control a Plains or an Island.
{T}: Add {W} or {U}.
--
Golgari Rot Farm
Land
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}.
{1}{G}{W}
Good-Fortune Unicorn
Creature - Unicorn
Whenever another creature enters the battlefield under your control, put a +1/+1 counter on that creature.
2 /
2
{1}{W}
Grateful Apparition
Creature - Spirit
Flying
Whenever Grateful Apparition deals combat damage to a player or planeswalker, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
1 /
1
{2}{B}
Grim Affliction
Instant
Put a -1/-1 counter on target creature, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{1}{B}{ // }{3}{W}
Grind // Dust
Sorcery // Sorcery
Put a -1/-1 counter on each of up to two target creatures.
Aftermath (Cast this spell only from your graveyard. Then exile it.)
Exile any number of target creatures that have -1/-1 counters on them.
--
Hallowed Fountain
Land - Plains Island
({T}: Add {W} or {U}.)
As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{1}
Hankyu
Artifact - Equipment
Equipped creature has "{T}: Put an aim counter on Hankyu" and "{T}, Remove all aim counters from Hankyu: This creature deals damage to any target equal to the number of aim counters removed this way."
Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)
{2}{G}
Hydra's Growth
Enchantment - Aura
Enchant creature
When Hydra's Growth enters the battlefield, put a +1/+1 counter on enchanted creature.
At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature.
--
Ifnir Deadlands
Land - Desert
{T}: Add {C}.
{T}, Pay 1 life: Add {B}.
{2}{B}{B}, {T}, Sacrifice a Desert: Put two -1/-1 counters on target creature an opponent controls. Activate only as a sorcery.
{3}{B}{B}
Incremental Blight
Sorcery
Put a -1/-1 counter on target creature, two -1/-1 counters on another target creature, and three -1/-1 counters on a third target creature.
{1}{W}
Intrepid Adversary
Creature - Human Scout
Lifelink
When Intrepid Adversary enters the battlefield, you may pay {1}{W} any number of times. When you pay this cost one or more times, put that many valor counters on Intrepid Adversary.
Creatures you control get +1/+1 for each valor counter on Intrepid Adversary.
3 /
1
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Island
Basic Land - Island
({T}: Add {U}.)
--
Jungle Hollow
Land
Jungle Hollow enters the battlefield tapped.
When Jungle Hollow enters the battlefield, you gain 1 life.
{T}: Add {B} or {G}.
{6}{G}{G}
Kamahl, Heart of Krosa
Legendary Creature - Human Druid
At the beginning of combat on your turn, creatures you control get +3/+3 and gain trample until end of turn.
{1}{G}: Until end of turn, target land you control becomes a 1/1 Elemental creature with vigilance, indestructible, and haste. It's still a land.
Partner (You can have two commanders if both have partner.)
5 /
5
--
Karn's Bastion
Land
{T}: Add {C}.
{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{1}{G}{G}
Kazandu Mammoth
Creature - Elephant
Landfall -- Whenever a land enters the battlefield under your control, Kazandu Mammoth gets +2/+2 until end of turn.
3 /
3
--
Kazandu Valley
Land
Kazandu Valley enters the battlefield tapped.
{T}: Add {G}.
3 /
3
{2}{G}{W}
Leinore, Autumn Sovereign
Legendary Creature - Human Noble
Coven -- At the beginning of combat on your turn, put a +1/+1 counter on up to one target creature you control. Then if you control three or more creatures with different powers, draw a card.
0 /
4
--
Llanowar Wastes
Land
{T}: Add {C}.
{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.
--
Lonely Sandbar
Land
Lonely Sandbar enters the battlefield tapped.
{T}: Add {U}.
Cycling {U} ({U}, Discard this card: Draw a card.)
{1}{W}
Lost Leonin
Creature - Phyrexian Cat Soldier
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
1
{3}
Magistrate's Scepter
Artifact
{4}, {T}: Put a charge counter on Magistrate's Scepter.
{T}, Remove three charge counters from Magistrate's Scepter: Take an extra turn after this one.
{2}{G}{G}
Magus of the Order
Creature - Human Wizard
{G}, {T}, Sacrifice Magus of the Order and another green creature: Search your library for a green creature card, put it onto the battlefield, then shuffle.
3 /
3
{2}{W}{U}
Metropolis Angel
Creature - Angel Soldier
Flying
Whenever you attack with one or more creatures with counters on them, draw a card.
3 /
1
--
Mistvault Bridge
Artifact Land
Mistvault Bridge enters the battlefield tapped.
Indestructible
{T}: Add {U} or {B}.
--
Mystic Gate
Land
{T}: Add {C}.
{W/U}, {T}: Add {W}{W}, {W}{U}, or {U}{U}.
{2}
Necropede
Artifact Creature - Phyrexian Insect
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
When Necropede dies, you may put a -1/-1 counter on target creature.
1 /
1
{G}{U}
Neoform
Sorcery
As an additional cost to cast this spell, sacrifice a creature.
Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield with an additional +1/+1 counter on it, then shuffle.
{2}{B}{B}
Nightmare Shepherd
Enchantment Creature - Demon
Flying
Whenever another nontoken creature you control dies, you may exile it. If you do, create a token that's a copy of that creature, except it's 1/1 and it's a Nightmare in addition to its other types.
4 /
4
{3}{G}{G}
Nissa, Who Shakes the World
Legendary Planeswalker - Nissa
Whenever you tap a Forest for mana, add an additional {G}.
+1: Put three +1/+1 counters on up to one target noncreature land you control. Untap it. It becomes a 0/0 Elemental creature with vigilance and haste that's still a land.
-8: You get an emblem with "Lands you control have indestructible." Search your library for any number of Forest cards, put them onto the battlefield tapped, then shuffle.
L:
5
--
Novijen, Heart of Progress
Land
{T}: Add {C}.
{G}{U}, {T}: Put a +1/+1 counter on each creature that entered the battlefield this turn.
--
Opulent Palace
Land
Opulent Palace enters the battlefield tapped.
{T}: Add {B}, {G}, or {U}.
{4}{G}
Paradox Zone
Enchantment
Paradox Zone enters the battlefield with a growth counter on it.
At the beginning of your end step, double the number of growth counters on Paradox Zone. Then create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it, where X is the number of growth counters on Paradox Zone.
{1}{B}
Phyresis
Enchantment - Aura
Enchant creature
Enchanted creature has infect. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{3}
Phyrexian Digester
Artifact Creature - Phyrexian Construct
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
1
--
Plains
Basic Land - Plains
({T}: Add {W}.)
{2}{W}
Priests of Norn
Creature - Phyrexian Cleric
Vigilance
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
1 /
4
{2}{G}{G}
Renata, Called to the Hunt
Legendary Enchantment Creature - Demigod
Renata's power is equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)
Each other creature you control enters the battlefield with an additional +1/+1 counter on it.
* /
3
--
Scoured Barrens
Land
Scoured Barrens enters the battlefield tapped.
When Scoured Barrens enters the battlefield, you gain 1 life.
{T}: Add {W} or {B}.
{4}{B}
Scourge Servant
Creature - Phyrexian Zombie
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
3 /
3
--
Selesnya Guildgate
Land - Gate
Selesnya Guildgate enters the battlefield tapped.
{T}: Add {G} or {W}.
{3}{G}{G}
Shared Summons
Instant
Search your library for up to two creature cards with different names, reveal them, put them into your hand, then shuffle.
{1}{G}
Shigeki, Jukai Visionary
Legendary Enchantment Creature - Snake Druid
{1}{G}, {T}, Return Shigeki, Jukai Visionary to its owner's hand: Reveal the top four cards of your library. You may put a land card from among them onto the battlefield tapped. Put the rest into your graveyard.
Channel -- {X}{X}{G}{G}, Discard Shigeki: Return X target nonlegendary cards from your graveyard to your hand.
1 /
3
{3}{W}{W}
Shriek Raptor
Creature - Phyrexian Bird
Flying
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
2 /
3
--
Simic Growth Chamber
Land
Simic Growth Chamber enters the battlefield tapped.
When Simic Growth Chamber enters the battlefield, return a land you control to its owner's hand.
{T}: Add {G}{U}.
{3}{U}
Spark Double
Creature - Illusion
You may have Spark Double enter the battlefield as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.
0 /
0
{2}{G}
Springbloom Druid
Creature - Elf Druid
When Springbloom Druid enters the battlefield, you may sacrifice a land. If you do, search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
1 /
1
{2}{U}
Stealth Mission
Sorcery
Put two +1/+1 counters on target creature you control. That creature can't be blocked this turn.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{4}{G}
Tales of Master Seshiro
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter.)
I, II -- Put a +1/+1 counter on target creature or Vehicle you control. It gains vigilance until end of turn.
III -- Exile this Saga, then return it to the battlefield transformed under your control.
--
Seshiro's Living Legacy
Enchantment Creature - Snake Warrior
Vigilance, haste
{1}{G}
Tangled Florahedron
Creature - Elemental
{T}: Add {G}.
1 /
1
--
Tangled Vale
Land
Tangled Vale enters the battlefield tapped.
{T}: Add {G}.
1 /
1
{1}{G}
Teachings of the Kirin
Enchantment - Saga
(As this Saga enters and after your draw step, add a lore counter.)
I -- Mill three cards. Create a 1/1 colorless Spirit creature token.
II -- Put a +1/+1 counter on target creature you control.
III -- Exile this Saga, then return it to the battlefield transformed under your control.
--
Kirin-Touched Orochi
Enchantment Creature - Snake Monk
Whenever Kirin-Touched Orochi attacks, choose one --
• Exile target creature card from a graveyard. When you do, create a 1/1 colorless Spirit creature token.
• Exile target noncreature card from a graveyard. When you do, put a +1/+1 counter on target creature you control.
{2}{U}{U}
Teferi, Master of Time
Legendary Planeswalker - Teferi
You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant.
+1: Draw a card, then discard a card.
-3: Target creature you don't control phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)
-10: Take two extra turns after this one.
L:
3
--
Temple of Plenty
Land
Temple of Plenty enters the battlefield tapped.
When Temple of Plenty enters the battlefield, scry 1.
{T}: Add {G} or {W}.
{3}{U/P}
Tezzeret's Gambit
Sorcery
({U/P} can be paid with either {U} or 2 life.)
Draw two cards, then proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
--
Thornwood Falls
Land
Thornwood Falls enters the battlefield tapped.
When Thornwood Falls enters the battlefield, you gain 1 life.
{T}: Add {G} or {U}.
--
Tranquil Cove
Land
Tranquil Cove enters the battlefield tapped.
When Tranquil Cove enters the battlefield, you gain 1 life.
{T}: Add {W} or {U}.
--
Twilight Mire
Land
{T}: Add {C}.
{B/G}, {T}: Add {B}{B}, {B}{G}, or {G}{G}.
{2}{B}
Unforgiving One
Creature - Spirit
Menace (This creature can't be blocked except by two or more creatures.)
Whenever Unforgiving One attacks, return target creature card with mana value X or less from your graveyard to the battlefield, where X is the number of modified creatures you control. (Equipment, Auras you control, and counters are modifications.)
2 /
3
{3}{G}{G}
Verdurous Gearhulk
Artifact Creature - Construct
Trample
When Verdurous Gearhulk enters the battlefield, distribute four +1/+1 counters among any number of target creatures you control.
4 /
4
--
Vineglimmer Snarl
Land
As Vineglimmer Snarl enters the battlefield, you may reveal a Forest or Island card from your hand. If you don't, Vineglimmer Snarl enters the battlefield tapped.
{T}: Add {G} or {U}.
{2}{G}
Visions of Dominance
Sorcery
Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it.
Flashback {8}{G}{G}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{G}{G}{G}
Vivien, Arkbow Ranger
Legendary Planeswalker - Vivien
+1: Distribute two +1/+1 counters among up to two target creatures. They gain trample until end of turn.
-3: Target creature you control deals damage equal to its power to target creature or planeswalker.
-5: You may reveal a creature card you own from outside the game and put it into your hand.
L:
4
{2}{B}{G}{U}
Volrath, the Shapestealer
Legendary Creature - Phyrexian Shapeshifter
At the beginning of combat on your turn, put a -1/-1 counter on up to one target creature.
{1}: Until your next turn, Volrath, the Shapestealer becomes a copy of target creature with a counter on it, except it's 7/5 and it has this ability.
7 /
5
{X}{G}{G}
Voracious Hydra
Creature - Hydra
Trample
Voracious Hydra enters the battlefield with X +1/+1 counters on it.
When Voracious Hydra enters the battlefield, choose one --
• Double the number of +1/+1 counters on Voracious Hydra.
• Voracious Hydra fights target creature you don't control.
0 /
1
{2}{B}{G}
Vraska, Golgari Queen
Legendary Planeswalker - Vraska
+2: You may sacrifice another permanent. If you do, you gain 1 life and draw a card.
-3: Destroy target nonland permanent with mana value 3 or less.
-9: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."