Have

Soul-Shackled Zombie

When this creature enters, exile up to two target cards from a single graveyard. If at least one creature card was exiled this way, each opponent loses 2 life and you gain 2 life.

Arachnoid Adaptation

Target creature gets +2/+2 and gains reach until end of turn. Untap it.

Swamp

Terramorphic Expanse

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Evolving Wilds

Sanitarium Skeleton

{2}{B}: Return this card from your graveyard to your hand.

Deathbloom Thallid

When this creature dies, create a 1/1 green Saproling creature token.

Nature's Lore

Search your library for a Forest card, put that card onto the battlefield, then shuffle.

Quirion Ranger

Return a Forest you control to its owner's hand: Untap target creature. Activate only once each turn.

Macabre Reconstruction

This spell costs {2} less to cast if a creature card was put into your graveyard from anywhere this turn.
Return up to two target creature cards from your graveyard to your hand.

Naturalize

Sivriss, Nightmare Speaker

{T}, Sacrifice another creature or an artifact: For each opponent, you mill a card, then return that card from your graveyard to your hand unless that player pays 3 life. (To mill a card, put the top card of your library into your graveyard.)
Choose a Background (You can have a Background as a second commander.)

Tattered Mummy

When this creature dies, each opponent loses 2 life.

Gleaming Barrier

Defender
When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Read the Bones

Scry 2, then draw two cards. You lose 2 life. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Contract Killing

Destroy target creature. Create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Llanowar Elves

Dire Fleet Hoarder

When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Phyrexian Ghoul

Sacrifice a creature: This creature gets +2/+2 until end of turn.

Dreg Recycler

{T}, Sacrifice an artifact or creature: Each opponent loses 1 life and you gain 1 life.

Vermin Gorger

{T}, Sacrifice another creature: Each opponent loses 2 life and you gain 2 life.

Llanowar Visionary

When this creature enters, draw a card.
{T}: Add {G}.

Commander's Sphere

{T}: Add one mana of any color in your commander's color identity.
Sacrifice this artifact: Draw a card.

Galadhrim Bow

Flash
When this Equipment enters, attach it to target creature you control. Untap that creature.
Equipped creature gets +1/+2 and has reach.
Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

Cathodion

Jungle Hollow

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {B} or {G}.

Hyrax Tower Scout

When this creature enters, untap target creature.

Altar's Reap

As an additional cost to cast this spell, sacrifice a creature.
Draw two cards.

Bloodthrone Vampire

Far Wanderings

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Threshold — If seven or more cards are in your graveyard, instead search your library for up to three basic land cards, put them onto the battlefield tapped, then shuffle.

Corrupted Conviction

Infernal Scarring

Enchant creature
Enchanted creature gets +2/+0 and has "When this creature dies, draw a card."

Jalum Tome

{2}, {T}: Draw a card, then discard a card.

Command Tower

{T}: Add one mana of any color in your commander's color identity.

Wild Growth

Enchant land
Whenever enchanted land is tapped for mana, its controller adds an additional {G}.

Sakura-Tribe Elder

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Viscera Seer

Sacrifice a creature: Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Krosan Restorer

{T}: Untap target land.
Threshold — {T}: Untap up to three target lands. Activate only if seven or more cards are in your graveyard.

Atrocious Experiment

Target player mills two cards, draws two cards, and loses 2 life. (To mill a card, a player puts the top card of their library into their graveyard.)

Persistent Specimen

{2}{B}: Return this card from your graveyard to the battlefield tapped.

Serrated Scorpion

When this creature dies, it deals 2 damage to each opponent and you gain 2 life.

Infestation Sage

When this creature dies, create a 1/1 black and green Insect creature token with flying.

Recover

Return target creature card from your graveyard to your hand.
Draw a card.

Etched Familiar

When this creature dies, each opponent loses 2 life and you gain 2 life.

Snarling Gorehound

Menace
Whenever another creature you control with power 2 or less enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Aim High

Untap target creature. It gets +2/+2 and gains reach until end of turn.

Byway Courier

When this creature dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Lampad of Death's Vigil

{1}, Sacrifice a creature: Each opponent loses 1 life and you gain 1 life.

Seeker of Skybreak

Lay of the Land

Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Voracious Vermin

When this creature enters, create a 1/1 black Rat creature token with "This token can't block."
Whenever another creature you control dies, put a +1/+1 counter on this creature.

Acolyte of Aclazotz

{T}, Sacrifice another creature or artifact: Each opponent loses 1 life and you gain 1 life.

Explore

You may play an additional land this turn.
Draw a card.

Soulreaper of Mogis

{2}{B}, Sacrifice a creature: Draw a card.

Arcane Signet

Supernatural Stamina

Until end of turn, target creature gets +2/+0 and gains "When this creature dies, return it to the battlefield tapped under its owner's control."

Feed the Swarm

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Polluted Mire

This land enters tapped.
{T}: Add {B}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Grapple with the Past

Mill three cards, then you may return a creature or land card from your graveyard to your hand. (To mill three cards, put the top three cards of your library into your graveyard.)

Emerald Charm

Choose one —
• Untap target permanent.
• Destroy target non-Aura enchantment.
• Target creature loses flying until end of turn.

Dutiful Attendant

When this creature dies, return another target creature card from your graveyard to your hand.

Hungry Ghoul

{1}, Sacrifice another creature: Put a +1/+1 counter on this creature.

Haunt of the Dead Marshes

When this creature enters, scry 1.
{2}{B}: Return this card from your graveyard to the battlefield tapped. Activate only if you control a legendary creature.

Atraxa's Fall

Destroy target artifact, battle, enchantment, or creature with flying.

Forest

Cloakwood Hermit

Commander creatures you own have "At the beginning of your end step, if a creature card was put into your graveyard from anywhere this turn, create two tapped 1/1 green Squirrel creature tokens."

Primal Druid

When this creature dies, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Cultivate

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.

Ichor Wellspring

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Twin-Silk Spider

Reach
When this creature enters, create a 1/2 green Spider creature token with reach.