{T}, Pay 1 life, Sacrifice Arid Mesa: Search your library for a Mountain or Plains card, put it onto the battlefield, then shuffle.
--
Badlands
Land - Swamp Mountain
({T}: Add {B} or {R}.)
{5}
Batterskull
Artifact - Equipment
Living weapon (When this Equipment enters the battlefield, create a 0/0 black Phyrexian Germ creature token, then attach this to it.)
Equipped creature gets +4/+4 and has vigilance and lifelink.
{3}: Return Batterskull to its owner's hand.
Equip {5}
{6}{R}{R}
Bedlam Reveler
Creature - Devil Horror
This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Prowess
When Bedlam Reveler enters the battlefield, discard your hand, then draw three cards.
3 /
4
{1}{B}
Bitterblossom
Tribal Enchantment - Faerie
At the beginning of your upkeep, you lose 1 life and create a 1/1 black Faerie Rogue creature token with flying.
--
Blackcleave Cliffs
Land
Blackcleave Cliffs enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {B} or {R}.
--
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.
--
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.
{1}{R}{W}{B}
Butcher of the Horde
Creature - Demon
Flying
Sacrifice another creature: Butcher of the Horde gains your choice of vigilance, lifelink, or haste until end of turn.
5 /
4
{B}
Cabal Therapy
Sorcery
Choose a nonland card name. Target player reveals their hand and discards all cards with that name.
Flashback--Sacrifice a creature. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
{R}
Chain Lightning
Sorcery
Chain Lightning deals 3 damage to any target. Then that player or that permanent's controller may pay {R}{R}. If the player does, they may copy this spell and may choose a new target for that copy.
{0}
Chrome Mox
Artifact
Imprint -- When Chrome Mox enters the battlefield, you may exile a nonartifact, nonland card from your hand.
{T}: Add one mana of any of the exiled card's colors.
--
Concealed Courtyard
Land
Concealed Courtyard enters the battlefield tapped unless you control two or fewer other lands.
{T}: Add {W} or {B}.
{1}{B}
Dark Confidant
Creature - Human Wizard
At the beginning of your upkeep, reveal the top card of your library and put that card into your hand. You lose life equal to its mana value.
2 /
1
{1}{R}
Dreadhorde Arcanist
Creature - Zombie Wizard
Trample
Whenever Dreadhorde Arcanist attacks, you may cast target instant or sorcery card with mana value less than or equal to Dreadhorde Arcanist's power from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead.
1 /
3
{B}
Duress
Sorcery
Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.
{2}{B}{R}
Falkenrath Aristocrat
Creature - Vampire Noble
Flying, haste
Sacrifice a creature: Falkenrath Aristocrat gains indestructible until end of turn. If the sacrificed creature was a Human, put a +1/+1 counter on Falkenrath Aristocrat.
4 /
1
{2}{W}{W}
Gideon, Ally of Zendikar
Legendary Planeswalker - Gideon
+1: Until end of turn, Gideon, Ally of Zendikar becomes a 5/5 Human Soldier Ally creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn.
0: Create a 2/2 white Knight Ally creature token.
-4: You get an emblem with "Creatures you control get +1/+1."
L:
4
{2}{R}
Goblin Rabblemaster
Creature - Goblin Warrior
Other Goblin creatures you control attack each combat if able.
At the beginning of combat on your turn, create a 1/1 red Goblin creature token with haste.
Whenever Goblin Rabblemaster attacks, it gets +1/+0 until end of turn for each other attacking Goblin.
2 /
2
--
Godless Shrine
Land - Plains Swamp
({T}: Add {W} or {B}.)
As Godless Shrine enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
{B}{B}
Hymn to Tourach
Sorcery
Target player discards two cards at random.
{2}{R}
Imperial Recruiter
Creature - Human Advisor
When Imperial Recruiter enters the battlefield, search your library for a creature card with power 2 or less, reveal it, put it into your hand, then shuffle.
1 /
1
{B}
Inquisition of Kozilek
Sorcery
Target player reveals their hand. You choose a nonland card from it with mana value 3 or less. That player discards that card.
{1}{B}{R}
Kolaghan's Command
Instant
Choose two --
• Return target creature card from your graveyard to your hand.
• Target player discards a card.
• Destroy target artifact.
• Kolaghan's Command deals 2 damage to any target.
{R}
Lightning Bolt
Instant
Lightning Bolt deals 3 damage to any target.
{1}{B}{B}
Liliana of the Veil
Legendary Planeswalker - Liliana
+1: Each player discards a card.
-2: Target player sacrifices a creature.
-6: Separate all permanents target player controls into two piles. That player sacrifices all permanents in the pile of their choice.
L:
3
{1}{B}{B}
Liliana, the Last Hope
Legendary Planeswalker - Liliana
+1: Up to one target creature gets -2/-1 until your next turn.
-2: Mill two cards, then you may return a creature card from your graveyard to your hand.
-7: You get an emblem with "At the beginning of your end step, create X 2/2 black Zombie creature tokens, where X is two plus the number of Zombies you control."
L:
3
{2}{W}
Lingering Souls
Sorcery
Create two 1/1 white Spirit creature tokens with flying.
Flashback {1}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)
--
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.
{X}{B}
Mind Twist
Sorcery
Target player discards X cards at random.
--
Mountain
Basic Land - Mountain
({T}: Add {R}.)
{2}{B}
Painful Truths
Sorcery
Converge -- You draw X cards and you lose X life, where X is the number of colors of mana spent to cast this spell.
{2}{W}{W}
Palace Jailer
Creature - Human Soldier
When Palace Jailer enters the battlefield, you become the monarch.
When Palace Jailer enters the battlefield, exile target creature an opponent controls until an opponent becomes the monarch.
2 /
2
{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.
--
Plains
Basic Land - Plains
({T}: Add {W}.)
--
Plateau
Land - Mountain Plains
({T}: Add {R} or {W}.)
--
Polluted Delta
Land
{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.
{1}{R}{W}{B}
Queen Marchesa
Legendary Creature - Human Assassin
Deathtouch, haste
When Queen Marchesa enters the battlefield, you become the monarch.
At the beginning of your upkeep, if an opponent is the monarch, create a 1/1 black Assassin creature token with deathtouch and haste.
3 /
3
--
Sacred Foundry
Land - Mountain Plains
({T}: Add {R} or {W}.)
As Sacred Foundry enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.
--
Scrubland
Land - Plains Swamp
({T}: Add {W} or {B}.)
--
Shambling Vent
Land
Shambling Vent enters the battlefield tapped.
{T}: Add {W} or {B}.
{1}{W}{B}: Shambling Vent becomes a 2/3 white and black Elemental creature with lifelink until end of turn. It's still a land.
{1}
Skullclamp
Artifact - Equipment
Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip {1}
{2}{W}{B}
Sorin, Vengeful Bloodlord
Legendary Planeswalker - Sorin
As long as it's your turn, creatures and planeswalkers you control have lifelink.
+2: Sorin, Vengeful Bloodlord deals 1 damage to target player or planeswalker.
-X: Return target creature card with mana value X from your graveyard to the battlefield. That creature is a Vampire in addition to its other types.
L:
4
{1}{W}
Stoneforge Mystic
Creature - Kor Artificer
When Stoneforge Mystic enters the battlefield, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.
{1}{W}, {T}: You may put an Equipment card from your hand onto the battlefield.
1 /
2
--
Strip Mine
Land
{T}: Add {C}.
{T}, Sacrifice Strip Mine: Destroy target land.
--
Swamp
Basic Land - Swamp
({T}: Add {B}.)
{W}
Swords to Plowshares
Instant
Exile target creature. Its controller gains life equal to its power.
{B}
Thoughtseize
Sorcery
Target player reveals their hand. You choose a nonland card from it. That player discards that card. You lose 2 life.
{W}{B}
Tidehollow Sculler
Artifact Creature - Zombie
When Tidehollow Sculler enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card.
When Tidehollow Sculler leaves the battlefield, return the exiled card to its owner's hand.
2 /
2
{6}{B}{B}
Tombstalker
Creature - Demon
Flying
Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
5 /
5
{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}
--
Urborg, Tomb of Yawgmoth
Legendary Land
Each land is a Swamp in addition to its other land types.
--
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.
{1}{B}{R}
Vial Smasher the Fierce
Legendary Creature - Goblin Berserker
Whenever you cast your first spell each turn, choose an opponent at random. Vial Smasher the Fierce deals damage equal to that spell's mana value to that player or a planeswalker that player controls.
Partner (You can have two commanders if both have partner.)