Commander creatures you own have "Whenever this creature attacks a player, if no opponent has more life than that player, put a +1/+1 counter on this creature. It gains deathtouch and indestructible until end of turn."
{1}{R}{W}
Akiri, Fearless Voyager
Legendary Creature - Kor Warrior
Whenever you attack a player with one or more equipped creatures, draw a card.
{W}: You may unattach an Equipment from a creature you control. If you do, tap that creature and it gains indestructible until end of turn.
3 /
3
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{4}{B}{B}
Archetype of Finality
Enchantment Creature - Gorgon
Creatures you control have deathtouch.
Creatures your opponents control lose deathtouch and can't have or gain deathtouch.
2 /
3
{2}{B}
Aspect of Gorgon
Enchantment - Aura
Enchant creature
Enchanted creature gets +1/+3 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy it.)
{1}{W}{B}
Assault Intercessor
Creature - Astartes Warrior
First strike, menace
Chainsword -- Whenever a creature an opponent controls dies, that player loses 2 life.
3 /
2
{1}
Basilisk Collar
Artifact - Equipment
Equipped creature has deathtouch and lifelink.
Equip {2}
{1}{B}
Battle-Rage Blessing
Instant
Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
{B}{B}{R}
Bedevil
Instant
Destroy target artifact, creature, or planeswalker.
{3}{B}
Bitter Downfall
Instant
This spell costs {3} less to cast if it targets a creature that was dealt damage this turn.
Destroy target creature. Its controller loses 2 life.
{2}
Boros Signet
Artifact
{1}, {T}: Add {R}{W}.
{3}
Burnished Hart
Artifact Creature - Elk
{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
2 /
2
{2}
Charcoal Diamond
Artifact
Charcoal Diamond enters the battlefield tapped.
{T}: Add {B}.
--
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.
{R}{W}{B}
Crackling Doom
Instant
Crackling Doom deals 2 damage to each opponent. Each opponent sacrifices a creature with the greatest power among creatures that player controls.
{4}{B}{R}
Deathbringer Thoctar
Creature - Zombie Beast
Whenever another creature dies, you may put a +1/+1 counter on Deathbringer Thoctar.
Remove a +1/+1 counter from Deathbringer Thoctar: It deals 1 damage to any target.
3 /
3
{W}{B}
Despark
Instant
Exile target permanent with mana value 4 or greater.
{R}
Diamond Pick-Axe
Artifact - Equipment
Indestructible (Effects that say "destroy" don't destroy this artifact.)
Equipped creature gets +1/+1 and has "Whenever this creature attacks, create a Treasure token." (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
Equip {2}
{W}{B}
Dire Tactics
Instant
Exile target creature. If you don't control a Human, you lose life equal to that creature's toughness.
{1}{W}
Disenchant
Instant
Destroy target artifact or enchantment.
{2}{W}{W}
Divine Reckoning
Sorcery
Each player chooses a creature they control. Destroy the rest.
Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{1}{B}
Drown in Ichor
Sorcery
Target creature gets -4/-4 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{1}{B}
Eternal Thirst
Enchantment - Aura
Enchant creature
Enchanted creature has lifelink and "Whenever a creature an opponent controls dies, put a +1/+1 counter on this creature." (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
--
Exotic Orchard
Land
{T}: Add one mana of any color that a land an opponent controls could produce.
{2}{B}
Falthis, Shadowcat Familiar
Legendary Creature - Nightmare Cat
Commanders you control have menace and deathtouch.
Partner (You can have two commanders if both have partner.)
2 /
2
{B}
Fatal Blow
Instant
Destroy target creature that was dealt damage this turn. It can't be regenerated.
{W}{B}
Feast of the Victorious Dead
Enchantment
At the beginning of your end step, if one or more creatures died this turn, you gain that much life and distribute that many +1/+1 counters among creatures you control.
{1}{B}
Feed the Swarm
Sorcery
Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.
{W}{B}
Fracture
Instant
Destroy target artifact, enchantment, or planeswalker.
{W}{B}
General's Enforcer
Creature - Human Soldier
Legendary Humans you control have indestructible.
{2}{W}{B}: Exile target card from a graveyard. If it was a creature card, create a 1/1 white Human Soldier creature token.
2 /
3
{4}{B}
Gift of Doom
Enchantment - Aura
Enchant creature
Enchanted creature has deathtouch and indestructible.
Morph--Sacrifice another creature. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
As Gift of Doom is turned face up, you may attach it to a creature.
{2}
Gorgon Flail
Artifact - Equipment
Equipped creature gets +1/+1 and has deathtouch. (Any amount of damage it deals to a creature is enough to destroy that creature.)
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)
{1}
Gorgon's Head
Artifact - Equipment
Equipped creature has deathtouch.
Equip {2}
{4}{B}{B}
Harvester of Souls
Creature - Demon
Deathtouch
Whenever another nontoken creature dies, you may draw a card.
5 /
5
{W}{B}
Jirina, Dauntless General
Legendary Creature - Human Soldier
When Jirina, Dauntless General enters the battlefield, exile target player's graveyard.
Sacrifice Jirina: Humans you control gain hexproof and indestructible until end of turn.
2 /
2
{R}{W}{B}
Kelsien, the Plague
Legendary Creature - Human Assassin
Vigilance, haste
Kelsien, the Plague gets +1/+1 for each experience counter you have.
{T}: Kelsien deals 1 damage to target creature you don't control. When that creature dies this turn, you get an experience counter.
2 /
2
{2}{W}
Lae'zel, Vlaakith's Champion
Legendary Creature - Gith Warrior
If you would put one or more counters on a creature or planeswalker you control or on yourself, put that many plus one of each of those kinds of counters on that permanent or player instead.
Choose a Background (You can have a Background as a second commander.)
3 /
3
{W}
Loran's Escape
Instant
Target artifact or creature gains hexproof and indestructible until end of turn. Scry 1.
{1}{B}{R}
Mahadi, Emporium Master
Legendary Creature - Cat Devil
At the beginning of your end step, create a Treasure token for each creature that died this turn. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
3 /
3
{3}
Mardu Banner
Artifact
{T}: Add {R}, {W}, or {B}.
{R}{W}{B}, {T}, Sacrifice Mardu Banner: Draw a card.
{1}{B}{B}
Mari, the Killing Quill
Legendary Creature - Vampire Assassin
Whenever a creature an opponent controls dies, exile it with a hit counter on it.
Assassins, Mercenaries, and Rogues you control have deathtouch and "Whenever this creature deals combat damage to a player, you may remove a hit counter from a card that player owns in exile. If you do, draw a card and create two Treasure tokens."
3 /
2
{2}
Mask of Avacyn
Artifact - Equipment
Equipped creature gets +1/+2 and has hexproof. (It can't be the target of spells or abilities your opponents control.)
Equip {3}
{2}{W}{B}
Minthara, Merciless Soul
Legendary Creature - Elf Cleric
Ward {X}, where X is the number of experience counters you have.
At the beginning of your end step, if a permanent you controlled left the battlefield this turn, you get an experience counter.
Creatures you control get +1/+0 for each experience counter you have.
2 /
2
{B}
Mirrodin Avenged
Instant
Destroy target creature that was dealt damage this turn.
Draw a card.
{2}{B}
Morbid Opportunist
Creature - Human Rogue
Whenever one or more other creatures die, draw a card. This ability triggers only once each turn.
1 /
3
{1}{W}{B}
Mortify
Instant
Destroy target creature or enchantment.
--
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}.)
--
Myriad Landscape
Land
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.
{2}{W}{W}
Mythos of Snapdax
Sorcery
Each player chooses an artifact, a creature, an enchantment, and a planeswalker from among the nonland permanents they control, then sacrifices the rest. If {B}{R} was spent to cast this spell, you choose the permanents for each player instead.
{1}{B}
Necrosynthesis
Enchantment - Aura
Enchant creature
Enchanted creature has "Whenever another creature dies, put a +1/+1 counter on this creature."
When enchanted creature dies, look at the top X cards of your library, where X is its power. Put one of those cards into your hand and the rest on the bottom of your library in a random order.
--
Nomad Outpost
Land
Nomad Outpost enters the battlefield tapped.
{T}: Add {R}, {W}, or {B}.
{1}{B}
Offer Immortality
Instant
Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
{1}{W}
Open the Armory
Sorcery
Search your library for an Aura or Equipment card, reveal it, put it into your hand, then shuffle.
--
Orzhov Guildgate
Land - Gate
Orzhov Guildgate enters the battlefield tapped.
{T}: Add {W} or {B}.
{2}
Orzhov Signet
Artifact
{1}, {T}: Add {W}{B}.
{3}{R}{W}
Otharri, Suns' Glory
Legendary Creature - Phoenix
Flying, lifelink, haste
Whenever Otharri, Suns' Glory attacks, you get an experience counter. Then create a 2/2 red Rebel creature token that's tapped and attacking for each experience counter you have.
{2}{R}{W}, Tap an untapped Rebel you control: Return Otharri from your graveyard to the battlefield tapped.
3 /
3
--
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.)
{3}
Patriar's Seal
Artifact
{T}: Add one mana of any color.
{1}, {T}: Untap target legendary creature you control.
{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.)
--
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}.)
{3}
Quietus Spike
Artifact - Equipment
Equipped creature has deathtouch.
Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up.
Equip {3}
{R}{W}
Rip Apart
Sorcery
Choose one --
• Rip Apart deals 3 damage to target creature or planeswalker.
• Destroy target artifact or enchantment.
{1}{B}
Rune of Mortality
Enchantment - Aura Rune
Enchant permanent
When Rune of Mortality enters the battlefield, draw a card.
As long as enchanted permanent is a creature, it has deathtouch.
As long as enchanted permanent is an Equipment, it has "Equipped creature has deathtouch."
--
Scoured Barrens
Land
Scoured Barrens enters the battlefield tapped.
When Scoured Barrens enters the battlefield, you gain 1 life.
{T}: Add {W} or {B}.
--
Shineshadow Snarl
Land
As Shineshadow Snarl enters the battlefield, you may reveal a Plains or Swamp card from your hand. If you don't, Shineshadow Snarl enters the battlefield tapped.
{T}: Add {W} or {B}.
{1}{B}
Slaughter Specialist
Creature - Vampire Warrior
When Slaughter Specialist enters the battlefield, each opponent creates a 1/1 white Human creature token.
Whenever a creature an opponent controls dies, put a +1/+1 counter on Slaughter Specialist.
3 /
3
--
Smoldering Marsh
Land - Swamp Mountain
({T}: Add {B} or {R}.)
Smoldering Marsh enters the battlefield tapped unless you control two or more basic lands.
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}
Solemn Simulacrum
Artifact Creature - Golem
When Solemn Simulacrum enters the battlefield, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
When Solemn Simulacrum dies, you may draw a card.
2 /
2
{2}
Sting, the Glinting Dagger
Legendary Artifact - Equipment
Equipped creature gets +1/+1 and has haste.
At the beginning of each combat, untap equipped creature.
Equipped creature has first strike as long as it's blocking or blocked by a Goblin or Orc.
Equip {2}
--
Sunlit Marsh
Land - Plains Swamp
({T}: Add {W} or {B}.)
Sunlit Marsh enters the battlefield tapped.
--
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}.)
--
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}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
--
Tainted Field
Land
{T}: Add {C}.
{T}: Add {W} or {B}. Activate only if you control a Swamp.
{B}
Tainted Strike
Instant
Target creature gets +1/+0 and gains infect until end of turn. (It deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
{B}{R}
Terminate
Instant
Destroy target creature. It can't be regenerated.
{1}{B}
Termination Facilitator
Creature - Human Assassin
{T}: Put a bounty counter on target creature or planeswalker. Activate only as a sorcery.
Whenever a creature or planeswalker an opponent controls with a bounty counter on it is dealt damage, destroy it.
1 /
3
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{1}{R}
Thrill of Possibility
Instant
As an additional cost to cast this spell, discard a card.
Draw two cards.
{2}{W}{B}
Utter End
Instant
Exile target nonland permanent.
{1}{W}{B}
Vindicate
Sorcery
Destroy target permanent.
{6}{B}{B}
Void Beckoner
Creature - Nightmare Horror
Deathtouch
Cycling {2}{B} ({2}{B}, Discard this card: Draw a card.)
When you cycle Void Beckoner, put a deathtouch counter on target creature you control.
8 /
8
{2}{R}
Volt Charge
Instant
Volt Charge deals 3 damage to any target. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{B}
Vorpal Sword
Artifact - Equipment
Equipped creature gets +2/+0 and has deathtouch.
{5}{B}{B}{B}: Until end of turn, Vorpal Sword gains "Whenever equipped creature deals combat damage to a player, that player loses the game."
Equip {B}{B}
{1}{R}{ // }{W}
Wear // Tear
Instant // Instant
Destroy target artifact.
Fuse (You may cast one or both halves of this card from your hand.)
Destroy target enchantment.
Fuse (You may cast one or both halves of this card from your hand.)
{B}
Whisper of the Dross
Instant
Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{3}
Whispersilk Cloak
Artifact - Equipment
Equipped creature can't be blocked and has shroud. (It can't be the target of spells or abilities.)
Equip {2}
{2}{B}
Witch's Mist
Enchantment
{2}{B}, {T}: Destroy target creature that was dealt damage this turn.
{B}
You Are Already Dead
Instant
Destroy target creature that was dealt damage this turn.