-2: Amass 2. (Put two +1/+1 counters on an Army you control. If you don't control one, create a 0/0 black Zombie Army creature token first.)
L:
5
{2}
Arcane Signet
Artifact
{T}: Add one mana of any color in your commander's color identity.
{3}
Ashnod's Altar
Artifact
Sacrifice a creature: Add {C}{C}.
{2}{G}
Awakening Zone
Enchantment
At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."
{2}{G}
Beast Within
Instant
Destroy target permanent. Its controller creates a 3/3 green Beast creature token.
--
Blighted Woodland
Land
{T}: Add {C}.
{3}{G}, {T}, Sacrifice Blighted Woodland: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
{1}{B}
Blood Artist
Creature - Vampire
Whenever Blood Artist or another creature dies, target player loses 1 life and you gain 1 life.
0 /
1
--
Bloodfell Caves
Land
Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}.
{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
{5}{B}{B}
Butcher of Malakir
Creature - Vampire Warrior
Flying
Whenever Butcher of Malakir or another creature you control dies, each opponent sacrifices a creature.
5 /
4
{1}{B}{G}
Catacomb Sifter
Creature - Eldrazi Drone
Devoid (This card has no color.)
When Catacomb Sifter enters the battlefield, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}."
Whenever another creature you control dies, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
2 /
3
{3}{B}
Chittering Witch
Creature - Human Warlock
When Chittering Witch enters, create a number of 1/1 black Rat creature tokens equal to the number of opponents you have.
{1}{B}, Sacrifice a creature: Target creature gets -2/-2 until end of turn.
2 /
2
{3}
Chromatic Lantern
Artifact
Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.
--
Command Tower
Land
{T}: Add one mana of any color in your commander's color identity.
--
Cryptic Caves
Land
{T}: Add {C}.
{1}, {T}, Sacrifice Cryptic Caves: Draw a card. Activate only if you control five or more lands.
{1}{B}{B}{G}
Deathsprout
Instant
Destroy target creature. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{1}{B}
Diabolic Intent
Sorcery
As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.
{4}{G}
Doubling Season
Enchantment
If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.
If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.
{1}{G}{G}
Eldritch Evolution
Sorcery
As an additional cost to cast this spell, sacrifice a creature.
Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.
{4}{B}
Eliminate the Competition
Sorcery
As an additional cost to cast this spell, sacrifice X creatures.
Destroy X target creatures.
--
Emergence Zone
Land
{T}: Add {C}.
{1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.
{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
{2}{G}
Evolution Sage
Creature - Elf Druid
Landfall -- Whenever a land you control enters, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
3 /
2
--
Evolving Wilds
Land
{T}, Sacrifice Evolving Wilds: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{3}{B}
Falkenrath Noble
Creature - Vampire Noble
Flying
Whenever Falkenrath Noble or another creature dies, target player loses 1 life and you gain 1 life.
2 /
2
{B/G}{B/G}{ // }{4}{B}{G}
Find // Finality
Sorcery // Sorcery
Return up to two target creature cards from your graveyard to your hand.
You may put two +1/+1 counters on a creature you control. Then all creatures get -4/-4 until end of turn.
{1}{R}
Fling
Instant
As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.
--
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}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Forest
Basic Land - Forest
({T}: Add {G}.)
--
Ghost Quarter
Land
{T}: Add {C}.
{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.
{2}{B}{G}
Gluttonous Troll
Creature - Troll
Trample
When Gluttonous Troll enters the battlefield, create a number of Food tokens equal to the number of opponents you have. (Food tokens are artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
{1}{G}, Sacrifice another nonland permanent: Gluttonous Troll gets +2/+2 until end of turn.
3 /
3
{1}{R}
Goblin Cratermaker
Creature - Goblin Warrior
{1}, Sacrifice Goblin Cratermaker: Choose one --
• Goblin Cratermaker deals 2 damage to target creature.
• Destroy target colorless nonland permanent.
2 /
2
{2}
Golden Egg
Artifact - Food
When Golden Egg enters the battlefield, draw a card.
{1}, {T}, Sacrifice Golden Egg: Add one mana of any color.
{2}, {T}, Sacrifice Golden Egg: You gain 3 life.
{B}{B}{G}{G}
Golgari Findbroker
Creature - Elf Shaman
When Golgari Findbroker enters the battlefield, return target permanent card from your graveyard to your hand.
3 /
4
--
Golgari Guildgate
Land - Gate
Golgari Guildgate enters the battlefield tapped.
{T}: Add {B} or {G}.
{9}{R}
Greater Gargadon
Creature - Beast
Suspend 10--{R}
Sacrifice an artifact, creature, or land: Remove a time counter from Greater Gargadon. Activate only if Greater Gargadon is suspended.
9 /
7
--
Grixis Panorama
Land
{T}: Add {C}.
{1}, {T}, Sacrifice Grixis Panorama: Search your library for a basic Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
--
Gruul Guildgate
Land - Gate
Gruul Guildgate enters the battlefield tapped.
{T}: Add {R} or {G}.
{2}{G}
Harrow
Instant
As an additional cost to cast this spell, sacrifice a land.
Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.
--
High Market
Land
{T}: Add {C}.
{T}, Sacrifice a creature: You gain 1 life.
{1}{B}{R}
Judith, the Scourge Diva
Legendary Creature - Human Shaman
Other creatures you control get +1/+0.
Whenever a nontoken creature you control dies, Judith, the Scourge Diva deals 1 damage to any target.
2 /
2
{B}{R}{G}
Jund Charm
Instant
Choose one --
• Exile target player's graveyard.
• Jund Charm deals 2 damage to each creature.
• Put two +1/+1 counters on target creature.
--
Jund Panorama
Land
{T}: Add {C}.
{1}, {T}, Sacrifice Jund Panorama: Search your library for a basic Swamp, Mountain, or Forest card, put it onto the battlefield tapped, then shuffle.
--
Jungle Hollow
Land
Jungle Hollow enters tapped.
When Jungle Hollow enters, you gain 1 life.
{T}: Add {B} or {G}.
{3}{G}{G}
Keeper of Fables
Creature - Cat
Whenever one or more non-Human creatures you control deal combat damage to a player, draw a card.
4 /
5
{2}{B}{R}{G}
Korvold, Fae-Cursed King
Legendary Creature - Dragon Noble
Flying
Whenever Korvold, Fae-Cursed King enters the battlefield or attacks, sacrifice another permanent.
Whenever you sacrifice a permanent, put a +1/+1 counter on Korvold and draw a card.
4 /
4
{2}{R}
Krenko, Tin Street Kingpin
Legendary Creature - Goblin
Whenever Krenko, Tin Street Kingpin attacks, put a +1/+1 counter on it, then create a number of 1/1 red Goblin creature tokens equal to Krenko's power.
1 /
2
{1}{B}{G}
Leyline Prowler
Creature - Nightmare Beast
Deathtouch, lifelink
{T}: Add one mana of any color.
2 /
3
{2}
Lightning Greaves
Artifact - Equipment
Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)
Equip {0}
{1}{B}{R}
Mayhem Devil
Creature - Devil
Whenever a player sacrifices a permanent, Mayhem Devil deals 1 damage to any target.
3 /
3
{4}{G}
Mitotic Slime
Creature - Ooze
When Mitotic Slime dies, create two 2/2 green Ooze creature tokens. They have "When this creature dies, create two 1/1 green Ooze creature tokens."
4 /
4
{3}{B}{G}
Moldervine Reclamation
Enchantment
Whenever a creature you control dies, you gain 1 life and draw a card.
--
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.
{1}{B}
Orzhov Enforcer
Creature - Human Rogue
Deathtouch
Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.)
1 /
2
{1}{G}
Paradise Druid
Creature - Elf Druid
Paradise Druid has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.)
{T}: Add one mana of any color.
2 /
1
{1}{B}{B}
Pawn of Ulamog
Creature - Vampire Shaman
Whenever Pawn of Ulamog or another nontoken creature you control dies, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."
2 /
2
{3}{B}
Pitiless Plunderer
Creature - Human Pirate
Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
1 /
4
{2}{B}
Plaguecrafter
Creature - Human Shaman
When Plaguecrafter enters, each player sacrifices a creature or planeswalker. Each player who can't discards a card.
3 /
2
{1}{G}
Pollenbright Druid
Creature - Elf Druid
When Pollenbright Druid enters, choose one --
• Put a +1/+1 counter on target creature.
• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
1 /
1
{1}{B}
Priest of Forgotten Gods
Creature - Human Cleric
{T}, Sacrifice two other creatures: Any number of target players each lose 2 life and sacrifice a creature. You add {B}{B} and draw a card.
1 /
2
{3}{B}{R}{G}
Prossh, Skyraider of Kher
Legendary Creature - Dragon
When you cast this spell, create X 0/1 red Kobold creature tokens named Kobolds of Kher Keep, where X is the amount of mana spent to cast it.
Flying
Sacrifice another creature: Prossh, Skyraider of Kher gets +1/+0 until end of turn.
5 /
5
--
Rakdos Guildgate
Land - Gate
Rakdos Guildgate enters the battlefield tapped.
{T}: Add {B} or {R}.
--
Reliquary Tower
Land
You have no maximum hand size.
{T}: Add {C}.
{1}{R}{G}
Rhythm of the Wild
Enchantment
Creature spells you control can't be countered.
Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)
--
Rocky Tar Pit
Land
Rocky Tar Pit enters the battlefield tapped.
{T}, Sacrifice Rocky Tar Pit: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.
--
Rugged Highlands
Land
Rugged Highlands enters the battlefield tapped.
When Rugged Highlands enters the battlefield, you gain 1 life.
{T}: Add {R} or {G}.
{1}{G}
Sakura-Tribe Elder
Creature - Snake Shaman
Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
1 /
1
--
Savage Lands
Land
Savage Lands enters the battlefield tapped.
{T}: Add {B}, {R}, or {G}.
{1}{B}{G}
Savvy Hunter
Creature - Human Warrior
Whenever Savvy Hunter attacks or blocks, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
Sacrifice two Foods: Draw a card.
3 /
3
--
Skarrg, the Rage Pits
Land
{T}: Add {C}.
{R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.
{2}{B}{B}
Smothering Abomination
Creature - Eldrazi
Devoid (This card has no color.)
Flying
At the beginning of your upkeep, sacrifice a creature.
Whenever you sacrifice a creature, draw a card.
4 /
3
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{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
--
Stomping Ground
Land - Mountain Forest
({T}: Add {R} or {G}.)
As Stomping Ground enters the battlefield, you may pay 2 life. If you don't, it 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}.)
{3}{B}{B}
Syr Konrad, the Grim
Legendary Creature - Human Knight
Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.
{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)
5 /
4
{4}{B}{B}
Taste of Death
Sorcery
Each player sacrifices three creatures. You create three Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
--
Temple of Malady
Land
Temple of Malady enters tapped.
When Temple of Malady enters, scry 1.
{T}: Add {B} or {G}.
--
Terramorphic Expanse
Land
{T}, Sacrifice Terramorphic Expanse: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
{5}{G}{G}
Thorn Mammoth
Creature - Elephant
Trample
Whenever Thorn Mammoth or another creature you control enters, Thorn Mammoth fights up to one target creature you don't control.
6 /
6
{1}{G}{G}
Thrashing Brontodon
Creature - Dinosaur
{1}, Sacrifice Thrashing Brontodon: Destroy target artifact or enchantment.
3 /
4
{2}{G}
Tireless Tracker
Creature - Human Scout
Landfall -- Whenever a land enters the battlefield under your control, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
Whenever you sacrifice a Clue, put a +1/+1 counter on Tireless Tracker.
3 /
2
{2}{G}
Ulvenwald Mysteries
Enchantment
Whenever a nontoken creature you control dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")
Whenever you sacrifice a Clue, create a 1/1 white Human Soldier creature token.
{2}{B}
Victimize
Sorcery
Choose two target creature cards in your graveyard. Sacrifice a creature. If you do, return the chosen cards to the battlefield tapped.
{3}{B}
Vindictive Vampire
Creature - Vampire
Whenever another creature you control dies, Vindictive Vampire deals 1 damage to each opponent and you gain 1 life.
2 /
3
{B}
Viscera Seer
Creature - Vampire Wizard
Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)
1 /
1
{1}
Witch's Oven
Artifact
{T}, Sacrifice a creature: Create a Food token. If the sacrificed creature's toughness was 4 or greater, create two Food tokens instead. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")
{1}{G}
Woodland Champion
Creature - Elf Scout
Whenever one or more tokens enter the battlefield under your control, put that many +1/+1 counters on Woodland Champion.
2 /
2
{2}{B}
Yahenni, Undying Partisan
Legendary Creature - Aetherborn Vampire
Haste
Whenever a creature an opponent controls dies, put a +1/+1 counter on Yahenni, Undying Partisan.
Sacrifice another creature: Yahenni gains indestructible until end of turn.