If you would create a Clue, Food, or Treasure token, instead create one of each.

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

Barad-dûr enters the battlefield tapped unless you control a legendary creature.

{T}: Add {B}.

{X}{X}{B}, {T}: Amass Orcs X. Activate only if a creature died this turn.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

Create a 1/1 green Squirrel creature token.

Flashback {1}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

If one or more tokens would be created under your control, those tokens plus that many 1/1 green Squirrel creature tokens are created instead.

{B}, Sacrifice X Squirrels: Target creature gets +X/-X until end of turn.

Create a 1/1 green Squirrel creature token.

Storm (When you cast this spell, copy it for each spell cast before it this turn.)

At the beginning of your upkeep, you may sacrifice a token. If you do, put an acorn counter on Chitterspitter.

Squirrels you control get +1/+1 for each acorn counter on Chitterspitter.

{G}, {T}: Create a 1/1 green Squirrel creature token.

{1}, {T}, Sacrifice another creature: Draw a card, then create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Creatures you control have "{T}: Add {G}."

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

{1}, {T}, Sacrifice another creature or artifact: Incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.)

Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.

(Gain the next level as a sorcery to add its ability.)

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.

{2}{G}: Level 2

You may play an additional land on each of your turns.

{4}{G}: Level 3

When this Class becomes level 3, target land you control becomes a creature with haste and "This creature's power and toughness are each equal to the number of lands you control." It's still a land.

{2}, {T}: Reveal the top card of your library. If it's a creature card, create a 1/1 green Saproling creature token. If it's a land card, put that card onto the battlefield under your control. If it's a noncreature, nonland card, you gain 2 life.

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

{T}: Add one mana of any color that a land an opponent controls could produce.

For each creature your opponents control, create a 4/4 green Phyrexian Beast creature token. Each of those tokens fights a different one of those creatures.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

({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}.)

({T}: Add {G}.)

({T}: Add {G}.)

({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.")

Reverberating Summons -- At the beginning of your end step, each opponent loses 2 life. Then for each opponent who has less life than you, create a 1/3 black Demon creature token named Plaguebearer of Nurgle.

Reveal the top X plus one cards of your library. Choose a creature card and/or a land card from among them. Put those cards into your hand and the rest on the bottom of your library in a random order. If X is 5 or more, instead put the chosen cards onto the battlefield or into your hand and the rest on the bottom of your library in a random order.

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

Defender (This creature can't attack.)

Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Whenever another green creature enters the battlefield under your control, put a +1/+1 counter on target creature.

Tokens you control have "{T}: Add {G}."

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

Deathtouch

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

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

{T}: Add {B} or {G}.

Khalni Garden enters the battlefield tapped.

When Khalni Garden enters the battlefield, create a 0/1 green Plant creature token.

{T}: Add {G}.

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.

{T}: Add {C}.

{T}: Add {B} or {G}. Llanowar Wastes deals 1 damage to you.

When Manglehorn enters the battlefield, you may destroy target artifact.

Artifacts your opponents control enter the battlefield tapped.

Flying

Whenever you create or sacrifice a token, each opponent loses 1 life.

Whenever a creature you control dies, you gain 1 life and draw a card.

Destroy target creature.

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

Draw two cards. If the sacrificed creature was legendary, draw three cards instead.

As Necroblossom Snarl enters the battlefield, you may reveal a Swamp or Forest card from your hand. If you don't, Necroblossom Snarl enters the battlefield tapped.

{T}: Add {B} or {G}.

You draw two cards and you lose 2 life.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Enchant creature an opponent controls

When enchanted creature dies, return Nurgle's Rot to its owner's hand and you create a 1/3 black Demon creature token named Plaguebearer of Nurgle.

At the beginning of your upkeep, you may create a 1/1 green Squirrel creature token.

Threshold -- Squirrel creatures get +2/+2 as long as seven or more cards are in your graveyard.

Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token.

Rats you control have deathtouch.

Old Man Willow's power and toughness are each equal to the number of lands you control.

Whenever Old Man Willow attacks, you may sacrifice another creature or a token. When you do, target creature an opponent controls gets -2/-2 until end of turn.

Choose one --

• Create a 5/5 green Beast creature token.

• Create five 1/1 green Insect creature tokens.

Entwine {G}{G}{G} (Choose both if you pay the entwine cost.)

When Orchard Strider enters the battlefield, create two Food tokens. (They're artifacts with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Basic landcycling {1}{G} ({1}{G}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Creatures you control get +3/+3 and gain trample until end of turn.

Whenever you attack with three or more creatures, draw a card.

If one or more tokens would be created under your control, those tokens plus an additional Food token are created instead. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Sacrifice three Foods: Draw a card.

Destroy target artifact or creature. It can't be regenerated.

Whenever you sacrifice an artifact or creature, put a +1/+1 counter on Ravenous Squirrel.

{1}{B}{G}, Sacrifice an artifact or creature: You gain 1 life and draw a card.

Each player sacrifices a creature. If you sacrificed a creature this way, you may return another permanent card from your graveyard to the battlefield.

{2}{B}, Sacrifice a creature: Create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

Sacrifice three Treasures: Draw a card.

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

{1}, Sacrifice this creature: Draw a card.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

Whenever one or more +1/+1 counters are put on Scurry Oak, you may create a 1/1 green Squirrel creature token.

Draw a card for each creature you control.

Ferocious -- You gain 4 life for each creature you control with power 4 or greater.

At the beginning of your end step, if a creature died under your control this turn, the Ring tempts you.

Whenever the Ring tempts you, target opponent reveals cards from the top of their library until they reveal a land card. Put that card onto the battlefield tapped under your control and the rest into their graveyard.

{T}: Add {C}.

{6}, {T}, Sacrifice Spawning Bed: Create three 1/1 colorless Eldrazi Scion creature tokens. They have "Sacrifice this creature: Add {C}."

Squirrel Mob gets +1/+1 for each other Squirrel on the battlefield.

Enchant land

Enchanted land has "{T}: Create a 1/1 green Squirrel creature token."

Other Squirrels you control get +1/+1.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

Destroy target artifact or enchantment.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}.

{T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

Choose one. If you control a commander as you cast this spell, you may choose both.

• Each opponent sacrifices a creature they control with the greatest power.

• Exile all opponents' graveyards, then create X 0/1 black Thrull creature tokens, where X is the greatest power among creature cards exiled this way.

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 enters the battlefield tapped.

When Temple of Malady enters the battlefield, scry 1.

{T}: Add {B} or {G}.

{T}: Add {C}{C}. Activate only if you control five or more lands.

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

Enchant Forest

As Utopia Sprawl enters the battlefield, choose a color.

Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.

{1}{B}, Sacrifice a creature: You gain 1 life and draw a card.

Lifelink

Devourer of Souls -- Whenever another creature dies, put a +1/+1 counter on Venomcrawler.

Choose two --

• Target player creates two tapped 1/1 green Squirrel creature tokens.

• Counter target loyalty ability of a planeswalker.

• Exile target card from a graveyard.

• Target player gains 3 life.

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

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

Draw two cards.

Flying

When Voracious Fell Beast enters the battlefield, each opponent sacrifices a creature. Create a Food token for each creature sacrificed this way. (It's an artifact with "{2}, {T}, Sacrifice this artifact: You gain 3 life.")

Whenever one or more other creatures you control die, each opponent loses 2 life and you gain 2 life. This ability triggers only once each turn.

Each opponent sacrifices a creature or planeswalker and gets a poison counter.

{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.")

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.")