Adeline, Resplendent Cathar's power is equal to the number of creatures you control.
Whenever you attack, for each opponent, create a 1/1 white Human creature token that's tapped and attacking that player or a planeswalker they control.
* /
4
{3}{R}{W}
Adriana, Captain of the Guard
Legendary Creature - Human Knight
Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.)
Other creatures you control have melee. (If a creature has multiple instances of melee, each triggers separately.)
4 /
4
{2}{R}
Aggravated Assault
Enchantment
{3}{R}{R}: Untap all creatures you control. After this main phase, there is an additional combat phase followed by an additional main phase. Activate only as a sorcery.
{2}{W}
Anointed Peacekeeper
Creature - Human Cleric
Vigilance
As Anointed Peacekeeper enters the battlefield, look at an opponent's hand, then choose any card name.
Spells your opponents cast with the chosen name cost {2} more to cast.
Activated abilities of sources with the chosen name cost {2} more to activate unless they're mana abilities.
3 /
3
{2}{W}
Archaeomancer's Map
Artifact
When Archaeomancer's Map enters the battlefield, search your library for up to two basic Plains cards, reveal them, put them into your hand, then shuffle.
Whenever a land enters the battlefield under an opponent's control, if that player controls more lands than you, you may put a land card from your hand onto the battlefield.
{2}{R}{R}{W}{W}
Aurelia, the Warleader
Legendary Creature - Angel
Flying, vigilance, haste
Whenever Aurelia, the Warleader attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase.
3 /
4
{3}{R}{R}
Balor
Creature - Demon
Flying
Whenever Balor attacks or dies, choose one or more. Each mode must target a different player.
• Target opponent draws three cards, then discards three cards at random.
• Target opponent sacrifices a nontoken artifact.
• Balor deals damage to target opponent equal to the number of cards in their hand.
5 /
5
{2}{W}
Bastion Protector
Creature - Human Soldier
Commander creatures you control get +2/+2 and have indestructible.
3 /
3
--
Battlefield Forge
Land
{T}: Add {C}.
{T}: Add {R} or {W}. Battlefield Forge deals 1 damage to you.
{2}
Blackblade Reforged
Legendary Artifact - Equipment
Equipped creature gets +1/+1 for each land you control.
Equip legendary creature {3}
Equip {7}
{8}{R}
Blasphemous Act
Sorcery
This spell costs {1} less to cast for each creature on the battlefield.
Blasphemous Act deals 13 damage to each creature.
{R}{W}
Boros Charm
Instant
Choose one --
• Boros Charm deals 4 damage to target player or planeswalker.
• Permanents you control gain indestructible until end of turn.
• Target creature gains double strike until end of turn.
--
Boros Garrison
Land
Boros Garrison enters the battlefield tapped.
When Boros Garrison enters the battlefield, return a land you control to its owner's hand.
{T}: Add {R}{W}.
--
Boros Guildgate
Land - Gate
Boros Guildgate enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}
Boros Signet
Artifact
{1}, {T}: Add {R}{W}.
{4}{R}
Brash Taunter
Creature - Goblin
Indestructible
Whenever Brash Taunter is dealt damage, it deals that much damage to target opponent.
{2}{R}, {T}: Brash Taunter fights another target creature.
1 /
1
{1}{W}
Chivalric Alliance
Enchantment
Whenever you attack with two or more creatures, draw a card.
{2}, Discard a card: Create a 2/2 white and blue Knight creature token with vigilance.
{2}{W}{W}
Clever Concealment
Instant
Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Any number of target nonland permanents you control phase out. (Treat them and anything attached to them as though they don't exist until your next turn.)
--
Clifftop Retreat
Land
Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains.
{T}: Add {R} or {W}.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
{3}
Commander's Sphere
Artifact
{T}: Add one mana of any color in your commander's color identity.
Sacrifice Commander's Sphere: Draw a card.
{4}{W}
Danitha, Benalia's Hope
Legendary Creature - Human Knight
First strike, vigilance, lifelink
When Danitha, Benalia's Hope enters the battlefield, you may put an Aura or Equipment card from your hand or graveyard onto the battlefield attached to Danitha.
4 /
4
{4}{R}{R}{R}
Drakuseth, Maw of Flames
Legendary Creature - Dragon
Flying
Whenever Drakuseth, Maw of Flames attacks, it deals 4 damage to any target and 3 damage to each of up to two other targets.
7 /
7
--
Exotic Orchard
Land
{T}: Add one mana of any color that a land an opponent controls could produce.
{1}{W}{W}
Faithbound Judge
Creature - Spirit Soldier
Defender, flying, vigilance
At the beginning of your upkeep, if Faithbound Judge has two or fewer judgment counters on it, put a judgment counter on it.
As long as Faithbound Judge has three or more judgment counters on it, it can attack as though it didn't have defender.
Disturb {5}{W}{W}
4 /
4
--
Sinner's Judgment
Enchantment - Aura Curse
Enchant player
At the beginning of your upkeep, put a judgment counter on Sinner's Judgment. Then if there are three or more judgment counters on it, enchanted player loses the game.
If Sinner's Judgment would be put into a graveyard from anywhere, exile it instead.
4 /
4
{R}
Faithless Looting
Sorcery
Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{2}
Fellwar Stone
Artifact
{T}: Add one mana of any color that a land an opponent controls could produce.
{R}
Fervent Champion
Creature - Human Knight
First strike, haste
Whenever Fervent Champion attacks, another target attacking Knight you control gets +1/+0 until end of turn.
Equip abilities you activate that target Fervent Champion cost {3} less to activate.
1 /
1
{2}{W}
Flawless Maneuver
Instant
If you control a commander, you may cast this spell without paying its mana cost.
Creatures you control gain indestructible until end of turn.
{3}{R}
Frontier Warmonger
Creature - Human Warrior
Whenever one or more creatures attack one of your opponents or a planeswalker they control, those creatures gain menace until end of turn.
4 /
4
{2}{W}
Frontline Medic
Creature - Human Cleric
Battalion -- Whenever Frontline Medic and at least two other creatures attack, creatures you control gain indestructible until end of turn.
Sacrifice Frontline Medic: Counter target spell with {X} in its mana cost unless its controller pays {3}.
3 /
3
{2}{R}{R}
Fumiko the Lowblood
Legendary Creature - Human Samurai
Fumiko the Lowblood has bushido X, where X is the number of attacking creatures. (Whenever this creature blocks or becomes blocked, it gets +X/+X until end of turn.)
Creatures your opponents control attack each combat if able.
3 /
2
--
Furycalm Snarl
Land
As Furycalm Snarl enters the battlefield, you may reveal a Mountain or Plains card from your hand. If you don't, Furycalm Snarl enters the battlefield tapped.
{T}: Add {R} or {W}.
{2}{W}
Generous Gift
Instant
Destroy target permanent. Its controller creates a 3/3 green Elephant creature token.
{1}{W}
Glimmer Lens
Artifact - Equipment
For Mirrodin! (When this Equipment enters the battlefield, create a 2/2 red Rebel creature token, then attach this to it.)
Whenever equipped creature and at least one other creature attack, draw a card.
Equip {1}{W}
{2}{R}{R}
Goblin Razerunners
Creature - Goblin Warrior
{1}{R}, Sacrifice a land: Put a +1/+1 counter on Goblin Razerunners.
At the beginning of your end step, you may have Goblin Razerunners deal damage equal to the number of +1/+1 counters on it to target player or planeswalker.
3 /
4
{2}{W}{W}
Hero of Bladehold
Creature - Human Knight
Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
Whenever Hero of Bladehold attacks, create two 1/1 white Soldier creature tokens that are tapped and attacking.
3 /
4
{1}{R}
Kari Zev, Skyship Raider
Legendary Creature - Human Pirate
First strike, menace
Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters the battlefield tapped and attacking. Exile that token at end of combat.
1 /
3
{4}{R}
Karlach, Fury of Avernus
Legendary Creature - Tiefling Barbarian
Whenever you attack, if it's the first combat phase of the turn, untap all attacking creatures. They gain first strike until end of turn. After this phase, there is an additional combat phase.
Choose a Background (You can have a Background as a second commander.)
5 /
4
{2}{R}
Legion Warboss
Creature - Goblin Soldier
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
At the beginning of combat on your turn, create a 1/1 red Goblin creature token. That token gains haste until end of turn and attacks this combat if able.
2 /
2
{1}{W}
Luminarch Aspirant
Creature - Human Cleric
At the beginning of combat on your turn, put a +1/+1 counter on target creature you control.
1 /
1
{2}
Mind Stone
Artifact
{T}: Add {C}.
{1}, {T}, Sacrifice Mind Stone: Draw a card.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{1}{W}
Nahiri's Machinations
Enchantment
At the beginning of combat on your turn, target creature you control gains indestructible until end of turn.
{1}{R}: Nahiri's Machinations deals 1 damage to target blocking creature.
{2}{R}{W}
Nahiri, the Harbinger
Legendary Planeswalker - Nahiri
+2: You may discard a card. If you do, draw a card.
-2: Exile target enchantment, tapped artifact, or tapped creature.
-8: Search your library for an artifact or creature card, put it onto the battlefield, then shuffle. It gains haste. Return it to your hand at the beginning of the next end step.
L:
4
{3}{W}
Odric, Lunarch Marshal
Legendary Creature - Human Soldier
At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike. The same is true for flying, deathtouch, double strike, haste, hexproof, indestructible, lifelink, menace, reach, skulk, trample, and vigilance.
3 /
3
{2}{W}{W}
Odric, Master Tactician
Legendary Creature - Human Soldier
First strike (This creature deals combat damage before creatures without first strike.)
Whenever Odric, Master Tactician and at least three other creatures attack, you choose which creatures block this combat and how those creatures block.
3 /
4
{1}{W}
Open the Armory
Sorcery
Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.
{3}{R}
Outpost Siege
Enchantment
As Outpost Siege enters the battlefield, choose Khans or Dragons.
• Khans -- At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.
• Dragons -- Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.
--
Path of Ancestry
Land
Path of Ancestry enters the battlefield tapped.
{T}: Add one mana of any color in your commander's color identity. When that mana is spent to cast a creature spell that shares a creature type with your commander, scry 1. (Look at the top card of your library. You may put that card on the bottom.)
{W}
Path to Exile
Instant
Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{W}{W}{W}{W}
Phyrexian Vindicator
Creature - Phyrexian Horror
Flying
If damage would be dealt to Phyrexian Vindicator, prevent that damage. When damage is prevented this way, Phyrexian Vindicator deals that much damage to any other target.
5 /
5
{3}{R}
Pirate's Pillage
Sorcery
As an additional cost to cast this spell, discard a card.
Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plaza of Heroes
Land
{T}: Add {C}.
{T}: Add one mana of any color. Spend this mana only to cast a legendary spell.
{T}: Add one mana of any color among legendary permanents you control.
{3}, {T}, Exile Plaza of Heroes: Target legendary creature gains hexproof and indestructible until end of turn.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{1}{R}{W}
Rem Karolus, Stalwart Slayer
Legendary Creature - Human Knight
Flying, haste
If a spell would deal damage to you or another permanent you control, prevent that damage.
If a spell would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.
2 /
3
{R/W}{R/W}{ // }{3}{R}{W}
Response // Resurgence
Instant // Sorcery
Response deals 5 damage to target attacking or blocking creature.
Creatures you control gain first strike and vigilance until end of turn. After this main phase, there is an additional combat phase followed by an additional main phase.
{2}{W}{W}
Return to Dust
Instant
Exile target artifact or enchantment. If you cast this spell during your main phase, you may exile up to one other target artifact or enchantment.
{R}{W}
Ride Down
Instant
Destroy target blocking creature. Creatures that were blocked by that creature this combat gain trample until end of turn.
{R}{W}
Rip Apart
Sorcery
Choose one --
• Rip Apart deals 3 damage to target creature or planeswalker.
• Destroy target artifact or enchantment.
--
Sacred Peaks
Land - Mountain Plains
({T}: Add {R} or {W}.)
Sacred Peaks enters the battlefield tapped.
{2}{W}
Sanguine Evangelist
Creature - Vampire Cleric
Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)
When Sanguine Evangelist enters the battlefield or dies, create a 1/1 black Bat creature token with flying.
2 /
1
{4}{W}{W}{W}
Sephara, Sky's Blade
Legendary Creature - Angel
You may pay {W} and tap four untapped creatures you control with flying rather than pay this spell's mana cost.
Flying, lifelink
Other creatures you control with flying have indestructible. (Damage and effects that say "destroy" don't destroy them.)
7 /
7
--
Slayers' Stronghold
Land
{T}: Add {C}.
{R}{W}, {T}: Target creature gets +2/+0 and gains vigilance and haste until end of turn.
{3}{W}
Smothering Tithe
Enchantment
Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{R}{W}
Swiftblade Vindicator
Creature - Human Soldier
Double strike, vigilance, trample
1 /
1
{2}
Swiftfoot Boots
Artifact - Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}
{3}
Sword of Feast and Famine
Artifact - Equipment
Equipped creature gets +2/+2 and has protection from black and from green.
Whenever equipped creature deals combat damage to a player, that player discards a card and you untap all lands you control.
Equip {2}
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{2}{R}{W}
Tajic, Blade of the Legion
Legendary Creature - Human Soldier
Indestructible
Battalion -- Whenever Tajic, Blade of the Legion and at least two other creatures attack, Tajic gets +5/+5 until end of turn.
2 /
2
--
Temple of Triumph
Land
Temple of Triumph enters the battlefield tapped.
When Temple of Triumph enters the battlefield, scry 1.
{T}: Add {R} or {W}.
--
Temple of the False God
Land
{T}: Add {C}{C}. Activate only if you control five or more lands.
{3}
Tenza, Godo's Maul
Legendary Artifact - Equipment
Equipped creature gets +1/+1. As long as it's legendary, it gets an additional +2/+2. As long as it's red, it has trample.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)
{2}{R}
The Reaver Cleaver
Legendary Artifact - Equipment
Equipped creature gets +1/+1 and has trample and "Whenever this creature deals combat damage to a player or planeswalker, create that many Treasure tokens."
Equip {3}
{1}{R}
Thrill of Possibility
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards.
{1}{R}{R}{W}
Tori D'Avenant, Fury Rider
Legendary Creature - Human Knight
Vigilance, trample
Whenever Tori D'Avenant, Fury Rider attacks, all other attacking creatures you control get +1/+1 until end of turn. Other red attacking creatures you control gain trample until end of turn. Untap each other white attacking creature you control.
3 /
3
{2}
Umezawa's Jitte
Legendary Artifact - Equipment
Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte.
Remove a charge counter from Umezawa's Jitte: Choose one --
• Equipped creature gets +2/+2 until end of turn.
• Target creature gets -1/-1 until end of turn.
• You gain 2 life.
Equip {2}
{2}{W}
Unbreakable Formation
Instant
Creatures you control gain indestructible until end of turn.
Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.
{2}{W}
Verge Rangers
Creature - Human Scout Ranger
First strike
You may look at the top card of your library any time.
As long as an opponent controls more lands than you, you may play lands from the top of your library. (You can play a land this way only if you have an available land play remaining.)
3 /
3
{3}{W}
Vexilus Praetor
Creature - Custodes Warrior
Flash
Vigilance
Aegis of the Emperor -- Commanders you control have protection from everything.
3 /
4
{2}{W}{W}
Wrath of God
Sorcery
Destroy all creatures. They can't be regenerated.
{3}{R}{W}
Campus Renovation
Sorcery
Return up to one target artifact or enchantment card from your graveyard to the battlefield. Exile the top two cards of your library. Until the end of your next turn, you may play those cards.
{2}{R}
Ferocity of the Wilds
Enchantment
Attacking non-Human creatures you control get +1/+0 and have trample.
{2}
Fire Diamond
Artifact
Fire Diamond enters the battlefield tapped.
{T}: Add {R}.
{R/W}{R/W}{R/W}{R/W}
Fireborn Knight
Creature - Human Knight
Double strike
{R/W}{R/W}{R/W}{R/W}: Fireborn Knight gets +1/+1 until end of turn.
2 /
3
{1}{W}
Guardian of New Benalia
Creature - Human Soldier
Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)
Whenever Guardian of New Benalia enlists a creature, scry 2.
Discard a card: Guardian of New Benalia gains indestructible until end of turn. Tap it.
2 /
2
{1}{W}{ // }{2}{R}
Heartflame Duelist // Heartflame Slash
Creature - Human Knight // Instant - Adventure
Instant and sorcery spells you control have lifelink.
Heartflame Slash deals 3 damage to any target. (Then exile this card. You may cast the creature later from exile.)
3 /
1
{3}{W}{W}
Herald of War
Creature - Angel
Flying
Whenever Herald of War attacks, put a +1/+1 counter on it.
Angel spells and Human spells you cast cost {1} less to cast for each +1/+1 counter on Herald of War.
3 /
3
{2}{W}
Mentor of the Meek
Creature - Human Soldier
Whenever another creature with power 2 or less enters the battlefield under your control, you may pay {1}. If you do, draw a card.
2 /
2
{3}
Oketra's Monument
Legendary Artifact
White creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, create a 1/1 white Warrior creature token with vigilance.
{1}{W}
Sunhome Stalwart
Creature - Human Soldier
First strike
Mentor (Whenever this creature attacks, put a +1/+1 counter on target attacking creature with lesser power.)
2 /
2
{3}
Sword of Once and Future
Artifact - Equipment
Equipped creature gets +2/+2 and has protection from blue and from black.
Whenever equipped creature deals combat damage to a player, surveil 2. Then you may cast an instant or sorcery spell with mana value 2 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.
Equip {2}
{2}{R}{W}
Warleader's Helix
Instant
Warleader's Helix deals 4 damage to any target and you gain 4 life.
{R}{R}
Warrior's Oath
Sorcery
Take an extra turn after this one. At the beginning of that turn's end step, you lose the game.