{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.
{3}{G}{G}
Aid from the Cowl
Enchantment
Revolt -- At the beginning of your end step, if a permanent you controlled left the battlefield this turn, reveal the top card of your library. If it's a permanent card, you may put it onto the battlefield. Otherwise, you may put it on the bottom of your library.
{2}
Altar of Dementia
Artifact
Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power.
{8}{G}{G}
Apex Devastator
Creature - Chimera Hydra
Cascade, cascade, cascade, cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order. Multiple instances of cascade each trigger separately.)
10 /
10
{R}{G}
Artifact Mutation
Instant
Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value.
{9}
Artisan of Kozilek
Creature - Eldrazi
When you cast this spell, you may return target creature card from your graveyard to the battlefield.
Annihilator 2 (Whenever this creature attacks, defending player sacrifices two permanents.)
10 /
9
{3}
Ashnod's Altar
Artifact
Sacrifice a creature: Add {C}{C}.
{5}{G}{G}
Avenger of Zendikar
Creature - Elemental
When Avenger of Zendikar enters the battlefield, create a 0/1 green Plant creature token for each land you control.
Landfall -- Whenever a land enters the battlefield under your control, you may put a +1/+1 counter on each Plant creature you control.
5 /
5
{7}{R}
Bearer of the Heavens
Creature - Giant
When Bearer of the Heavens dies, destroy all permanents at the beginning of the next end step.
10 /
10
{2}{G}
Beast Within
Instant
Destroy target permanent. Its controller creates a 3/3 green Beast creature token.
{3}{G}
Caldaia Guardian
Creature - Human Soldier
Whenever Caldaia Guardian or another creature you control with mana value 4 or greater dies, create two 1/1 green and white Citizen creature tokens.
Blitz {2}{G} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)
4 /
3
{5}
Cauldron of Souls
Artifact
{T}: Choose any number of target creatures. Each of those creatures gains persist until end of turn. (When it dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)
{3}
Chromatic Lantern
Artifact
Lands you control have "{T}: Add one mana of any color."
{T}: Add one mana of any color.
{4}{B}{B}
Command the Dreadhorde
Sorcery
Choose any number of target creature and/or planeswalker cards in graveyards. Command the Dreadhorde deals damage to you equal to the total mana value of those cards. Put them onto the battlefield under your control.
{G}
Crop Rotation
Instant
As an additional cost to cast this spell, sacrifice a land.
Search your library for a land card, put that card onto the battlefield, 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.
{2}{B}{B}
Diabolic Tutor
Sorcery
Search your library for a card, put that card into your hand, then shuffle.
{4}{B}{B}
Doom Weaver
Creature - Spider Horror
Reach
Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)
As long as Doom Weaver is paired with another creature, each of those creatures has "When this creature dies, draw cards equal to its power."
1 /
8
{4}{G}{G}
Earthshaker Giant
Creature - Giant Druid
Trample
When Earthshaker Giant enters the battlefield, other creatures you control get +3/+3 and gain trample until end of turn.
6 /
6
{4}{R}{R}
Etali, Primal Storm
Legendary Creature - Elder Dinosaur
Whenever Etali, Primal Storm attacks, exile the top card of each player's library, then you may cast any number of spells from among those cards without paying their mana costs.
6 /
6
{1}{G}
Farseek
Sorcery
Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.
{5}{G}{G}
Giant Adephage
Creature - Insect
Trample
Whenever Giant Adephage deals combat damage to a player, create a token that's a copy of Giant Adephage.
7 /
7
{2}{R}
Glittering Stockpile
Artifact - Treasure
{T}: Add {R}. Put a stash counter on Glittering Stockpile.
{T}, Sacrifice Glittering Stockpile: Add X mana of any one color, where X is the number of stash counters on Glittering Stockpile.
{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.
{4}{B}{B}
Harvester of Souls
Creature - Demon
Deathtouch
Whenever another nontoken creature dies, you may draw a card.
5 /
5
{4}{G}{G}
Hydra Omnivore
Creature - Hydra
Whenever Hydra Omnivore deals combat damage to an opponent, it deals that much damage to each other opponent.
8 /
8
{7}{B}{B}
In Garruk's Wake
Sorcery
Destroy all creatures you don't control and all planeswalkers you don't control.
{4}{G}
Indrik Stomphowler
Creature - Beast
When Indrik Stomphowler enters the battlefield, destroy target artifact or enchantment.
4 /
4
{3}{R}
Industrial Advancement
Enchantment
At the beginning of your end step, you may sacrifice a creature. If you do, look at the top X cards of your library, where X is that creature's mana value. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
{B}{B}{G}{G}
Jarad, Golgari Lich Lord
Legendary Creature - Zombie Elf
Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard.
{1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power.
Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.
2 /
2
{2}{G}
Kodama's Reach
Sorcery - Arcane
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
{10}
Kozilek, Butcher of Truth
Legendary Creature - Eldrazi
When you cast this spell, draw four cards.
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)
When Kozilek, Butcher of Truth is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.
12 /
12
{3}{B}{B}
Living Death
Sorcery
Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.
{1}{B}{G}
Maelstrom Pulse
Sorcery
Destroy target nonland permanent and all other permanents with the same name as that permanent.
{3}{G}
Migration Path
Sorcery
Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.
Cycling {2} ({2}, Discard this card: Draw a card.)
{3}{B}{B}{B}
Mikaeus, the Unhallowed
Legendary Creature - Zombie Cleric
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever a Human deals damage to you, destroy it.
Other non-Human creatures you control get +1/+1 and have undying. (When a creature with undying dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)
5 /
5
{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
{2}{G}
Myth Unbound
Enchantment
Your commander costs {1} less to cast for each time it's been cast from the command zone this game.
Whenever your commander is put into the command zone from anywhere, draw a card.
{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}
Phyrexian Altar
Artifact
Sacrifice a creature: Add one mana of any color.
{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}{G}
Polukranos, Unchained
Legendary Creature - Zombie Hydra
Polukranos enters the battlefield with six +1/+1 counters on it. It escapes with twelve +1/+1 counters on it instead.
If damage would be dealt to Polukranos while it has a +1/+1 counter on it, prevent that damage and remove that many +1/+1 counters from it.
{1}{B}{G}: Polukranos fights another target creature.
Escape--{4}{B}{G}, Exile six other cards from your graveyard.
0 /
0
{2}{G}
Primal Growth
Sorcery
Kicker--Sacrifice a creature. (You may sacrifice a creature in addition to any other costs as you cast this spell.)
Search your library for a basic land card, put that card onto the battlefield, then shuffle. If this spell was kicked, instead search your library for up to two basic land cards, put them onto the battlefield, then shuffle.
{1}{G}
Rampant Growth
Sorcery
Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
{7}{B}{B}
Rise of the Dark Realms
Sorcery
Put all creature cards from all graveyards onto the battlefield under your control.
{3}{R}{R}
Savage Beating
Instant
Cast this spell only during your turn and only during combat.
Choose one --
• Creatures you control gain double strike until end of turn.
• Untap all creatures you control. After this phase, there is an additional combat phase.
Entwine {1}{R} (Choose both if you pay the entwine cost.)
{2}{B}{R}{G}
Sek'Kuar, Deathkeeper
Legendary Creature - Orc Shaman
Whenever another nontoken creature you control dies, create a 3/1 black and red Graveborn creature token with haste.
4 /
3
{5}{B}{B}
Sepulchral Primordial
Creature - Avatar
Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
When Sepulchral Primordial enters the battlefield, for each opponent, you may put up to one target creature card from that player's graveyard onto the battlefield under your control.
5 /
4
{3}{B}{B}
Sidisi, Undead Vizier
Legendary Creature - Zombie Naga
Deathtouch
Exploit (When this creature enters the battlefield, you may sacrifice a creature.)
When Sidisi, Undead Vizier exploits a creature, you may search your library for a card, put it into your hand, then shuffle.
4 /
6
{3}{B}
Sifter of Skulls
Creature - Eldrazi
Devoid (This card has no color.)
Whenever another nontoken creature you control dies, create a 1/1 colorless Eldrazi Scion creature token. It has "Sacrifice this creature: Add {C}." ({C} represents colorless mana.)
4 /
3
{6}{G}{G}
Skarrg Goliath
Creature - Beast
Trample
Bloodrush -- {5}{G}{G}, Discard Skarrg Goliath: Target attacking creature gets +9/+9 and gains trample until end of turn.
9 /
9
{1}
Sol Ring
Artifact
{T}: Add {C}{C}.
{4}{G}{G}
Soul of the Harvest
Creature - Elemental
Trample
Whenever another nontoken creature enters the battlefield under your control, you may draw a card.
6 /
6
{B}{G}
Squandered Resources
Enchantment
Sacrifice a land: Add one mana of any type the sacrificed land could produce.
{5}{R}{R}
Stalking Vengeance
Creature - Avatar
Haste
Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.
5 /
5
{B}{R}
Terminate
Instant
Destroy target creature. It can't be regenerated.
{2}{G}
Tireless Provisioner
Creature - Elf Scout
Landfall -- Whenever a land enters the battlefield under your control, create a Food token or a Treasure token. (Food is an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life." Treasure is an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")
3 /
2
{6}{B}{B}
Torgaar, Famine Incarnate
Legendary Creature - Avatar
As an additional cost to cast this spell, you may sacrifice any number of creatures. This spell costs {2} less to cast for each creature sacrificed this way.
When Torgaar, Famine Incarnate enters the battlefield, up to one target player's life total becomes half their starting life total, rounded down.
7 /
6
{11}
Ulamog, the Infinite Gyre
Legendary Creature - Eldrazi
When you cast this spell, destroy target permanent.
Indestructible
Annihilator 4 (Whenever this creature attacks, defending player sacrifices four permanents.)
When Ulamog, the Infinite Gyre is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.
10 /
10
{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.
{5}{R}
Warstorm Surge
Enchantment
Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.
{3}{B}{G}
Windgrace's Judgment
Instant
For any number of opponents, destroy target nonland permanent that player controls.
{3}{R}{G}
Xenagos, God of Revels
Legendary Enchantment Creature - God
Indestructible
As long as your devotion to red and green is less than seven, Xenagos isn't a creature.
At the beginning of combat on your turn, another target creature you control gains haste and gets +X/+X until end of turn, where X is that creature's power.
6 /
5
{4}{G}
Yedora, Grave Gardener
Legendary Creature - Treefolk Druid
Whenever another nontoken creature you control dies, you may return it to the battlefield face down under its owner's control. It's a Forest land. (It has no other types or abilities.)
5 /
5
{B}{R}{G}
Henzie "Toolbox" Torre
Legendary Creature - Devil Rogue
Each creature spell you cast with mana value 4 or greater has blitz. The blitz cost is equal to its mana cost. (You may choose to cast that spell for its blitz cost. If you do, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)
Blitz costs you pay cost {1} less for each time you've cast your commander from the command zone this game.