Create X 1/2 green Spider creature tokens with reach, where X is the number of creatures attacking you. Prevent all combat damage that would be dealt this turn by non-Spider creatures.

Reach

Whenever an opponent casts an instant or sorcery spell, create a 1/2 green Spider creature token with reach.

Destroy target artifact. It can't be regenerated. Create X 1/1 green Saproling creature tokens, where X is that artifact's mana value.

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.

At the beginning of your upkeep, you may create a 0/1 colorless Eldrazi Spawn creature token. It has "Sacrifice this creature: Add {C}."

At the beginning of your upkeep, Black Market Tycoon deals 2 damage to you for each Treasure you control.

{T}: Create a Treasure token.

{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.

Destroy target land you control and target land you don't control.

---

Destroy all lands.

{T}: Add {C}.

{2}, {T}, Sacrifice Buried Ruin: Return target artifact card from your graveyard to your hand.

0: Put a loyalty counter on each red planeswalker you control.

0: Create two 1/1 red Elemental creature tokens. They gain haste. Sacrifice them at the beginning of the next end step.

-2: You may cast target instant or sorcery card with mana value 3 or less from your graveyard. If that spell would be put into your graveyard, exile it instead.

Equipped creature has first strike, trample, and haste.

Equip {1}

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."

If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay {G} rather than pay this spell's mana cost.

Create four 1/1 green Snake creature tokens.

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

Destroy target artifact or enchantment. Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

At the beginning of your upkeep, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

Whenever one or more creature cards are put into your graveyard from anywhere during your turn, create a 1/1 green Insect creature token. This ability triggers only once each turn.

At the beginning of your upkeep, you may mill two cards.

Whenever one or more land cards are put into your graveyard from anywhere for the first time each turn, create a 1/1 green Insect creature token.

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.

{T}: Add {C}.

{1}, {T}, Sacrifice Cryptic Caves: Draw a card. Activate only if you control five or more lands.

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.

Enchant player

Whenever a nontoken creature enchanted player controls dies, exile it and you create a 1/2 green Spider creature token with reach.

Enchant player

Whenever enchanted player is attacked, create a Gold token. Each opponent attacking that player does the same. (A Gold token is an artifact with "Sacrifice this artifact: Add one mana of any color.")

At the beginning of combat on your turn, populate. The token created this way gains haste. Sacrifice it at the beginning of the next end step. (To populate, create a token that's a copy of a creature token you control.)

Create two 1/1 red Goblin creature tokens.

Reach

Whenever an opponent casts a spell, create a 1/1 green Insect creature token.

({T}: Add {R}.)

Dwarven Mine enters the battlefield tapped unless you control three or more other Mountains.

When Dwarven Mine enters the battlefield untapped, create a 1/1 red Dwarf creature token.

Deathtouch

Whenever Erinis, Gloom Stalker attacks, return target land card from your graveyard to the battlefield.

Choose a Background (You can have a Background as a second commander.)

Field of the Dead enters the battlefield tapped.

{T}: Add {C}.

Whenever Field of the Dead or another land enters the battlefield under your control, if you control seven or more lands with different names, create a 2/2 black Zombie creature token.

Equipped creature has double strike. (It deals both first-strike and regular combat damage.)

Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Destroy all nonbasic lands. For each land destroyed this way, its controller may search their library for a basic land card and put it onto the battlefield. Then each player who searched their library this way shuffles.

Return target permanent card from your graveyard to your hand. If a creature died this turn, create two 1/1 green Saproling creature tokens.

{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.

Flying

When Gilded Goose enters the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

{1}{G}, {T}: Create a Food token.

{T}, Sacrifice a Food: Add one mana of any color.

({T}: Add {G}.)

Gingerbread Cabin enters the battlefield tapped unless you control three or more other Forests.

When Gingerbread Cabin enters the battlefield untapped, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

At the beginning of your upkeep, create a 1/1 red Goblin creature token with haste.

Goblin creatures attack each combat if able.

At the beginning of your upkeep, create a colorless artifact token named Land Mine with "{R}, Sacrifice this artifact: This artifact deals 2 damage to target attacking creature without flying." Then flip a coin. If you lose the flip, Goblin Kaboomist deals 2 damage to itself.

Whenever you cast a noncreature spell, you may pay {1}. If you do, create a 1/1 red Goblin creature token with haste.

{T}: Add {C}.

When Gods' Eye, Gate to the Reikai is put into a graveyard from the battlefield, create a 1/1 colorless Spirit creature token.

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.

Target creature gets +1/+0 until end of turn. Put a first strike counter on it.

Create three 1/1 red Goblin creature tokens.

At the beginning of combat on your turn, target Wolf or Werewolf you control gets +2/+2 until end of turn.

Whenever an opponent casts their second spell each turn, create a 2/2 green Wolf creature token.

Search your library for up to X basic land cards, where X is the number of creatures attacking you, put those cards onto the battlefield tapped, then shuffle.

Prevent all combat damage that would be dealt this turn.

Flash

When Javelin of Lightning enters the battlefield, attach it to target creature you control.

As long as it's your turn, equipped creature gets +2/+0 and has first strike.

Equip {4} ({4}: Attach to target creature you control. Equip only as a sorcery.)

{T}: Add {C}.

{1}{R}, {T}: Create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

When Killer Service enters the battlefield, create a number of Food tokens equal to the number of opponents you have. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

At the beginning of your end step, you may pay {2} and sacrifice a token. If you do, create a 4/4 green Rhino Warrior creature token.

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.

Create two 1/1 red Goblin creature tokens.

Double strike

Equipped creature has double strike.

Reconfigure {2} ({2}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Looming Spires enters the battlefield tapped.

When Looming Spires enters the battlefield, target creature gets +1/+1 and gains first strike until end of turn.

{T}: Add {R}.

As an additional cost to cast this spell, discard a land card.

Draw two cards.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Myojin of Infinite Rage enters the battlefield with a divinity counter on it if you cast it from your hand.

Myojin of Infinite Rage has indestructible as long as it has a divinity counter on it.

Remove a divinity counter from Myojin of Infinite Rage: Destroy all lands.

When Phylath, World Sculptor enters the battlefield, create a 0/1 green Plant creature token for each basic land you control.

Landfall -- Whenever a land enters the battlefield under your control, put four +1/+1 counters on target Plant you control.

At the beginning of each opponent's end step, if that player didn't cast a creature spell this turn, create a 2/2 green Lizard creature token.

Put target permanent you own on the bottom of your library. Reveal cards from the top of your library until you reveal a card that shares a card type with that permanent. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

{T}: Add {C}.

{2}, {T}, Sacrifice Roadside Reliquary: Draw a card if you control an artifact. Draw a card if you control an enchantment.

Destroy target artifact or enchantment.

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

First strike

Cycling {2}{R} ({2}{R}, Discard this card: Draw a card.)

When you cycle Sanctuary Smasher, put a first strike counter on target creature you control.

Landfall -- Whenever a land enters the battlefield under your control, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.

{T}: Add {R}.

{R}, {T}: Target legendary creature gains first strike until end of turn.

{T}: Add {C}{C}.

Landfall -- Whenever a land enters the battlefield under your control, create a 1/1 green Saproling creature token.

At the beginning of your end step, create a 1/1 red Human creature token. Then if you control exactly thirteen permanents, you may sacrifice Stensia Uprising. When you do, it deals 7 damage to any target.

Commander creatures you own have "{1}, Sacrifice another creature or an artifact: This creature deals 1 damage to any target."

{T}: Add {C}.

{1}, {T}, Sacrifice Tectonic Edge: Destroy target nonbasic land. Activate only if an opponent controls four or more lands.

Create three 1/1 red Human creature tokens with haste. Sacrifice those tokens at the beginning of the next end step.

Whenever an opponent taps an artifact for mana, gain control of that artifact until the end of your next turn.

Whenever Undercellar Myconid enters the battlefield or dies, create a 1/1 green Saproling creature token.

{T}: Add one mana of any color.

Enchant creature

Enchanted creature gets +3/+3 and has "At the beginning of each upkeep, create a 1/1 green Saproling creature token."

At the beginning of each upkeep, create a 1/1 green Saproling creature token.

Equipped creature gets +1/+0 and has first strike.

Equip {1}

Create three 1/1 green Boar creature tokens with "When this creature dies, create a Food token." (A Food token is an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

At the beginning of your upkeep, create X 2/2 green Wolf creature tokens, where X is the number of your opponents with four or more cards in hand.

Landfall -- Whenever a land enters the battlefield under your control, create a 2/2 green Elemental creature token.