Create two 1/1 green Squirrel creature tokens.

Flashback--{1}{G}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Trample

When Armada Wurm enters the battlefield, create a 5/5 green Wurm creature token with trample.

Destroy target enchantment. Create X 1/1 green Saproling creature tokens, where X is that enchantment's mana value.

Whenever a creature enters the battlefield under your control, you may destroy target artifact or enchantment.

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

Whenever a creature you control attacks, you may put a quest counter on Beastmaster Ascension.

As long as Beastmaster Ascension has seven or more quest counters on it, creatures you control get +5/+5.

{4}, {T}: Create a 2/2 colorless Shapeshifter creature token with changeling. (It has every creature type.)

You gain X life and draw X cards, where X is the number of creatures you control. Creatures you control get +1/+1 until end of turn.

Castle Garenbrig enters the battlefield tapped unless you control a Forest.

{T}: Add {G}.

{2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures.

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.)

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

Destroy all creatures with toughness 4 or greater.

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

Creatures you control have "{T}: Add one mana of any color."

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.

Vanishing 3 (This creature enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.)

When Deep Forest Hermit enters the battlefield, create four 1/1 green Squirrel creature tokens.

Squirrels you control get +1/+1.

Echo {3}{G}{G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Deranged Hermit enters the battlefield, create four 1/1 green Squirrel creature tokens.

Squirrel creatures get +1/+1.

Enchant creature

Whenever enchanted creature is dealt damage, its controller creates that many 1/1 green Squirrel creature tokens.

Search your library for a creature card, reveal that card, put it into your hand, then shuffle.

Vigilance, trample, haste

When End-Raze Forerunners enters the battlefield, other creatures you control get +2/+2 and gain vigilance and trample until end of turn.

At the beginning of your upkeep, if you control twenty or more creatures, you win the game.

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

Search your library for up to two basic land cards, put them 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}.)

({T}: Add {G}.)

Create a 3/3 green Beast creature token for each creature put into your graveyard from the battlefield this turn.

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

Grasslands enters the battlefield tapped.

{T}, Sacrifice Grasslands: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Graypelt Refuge enters the battlefield tapped.

When Graypelt Refuge enters the battlefield, you gain 1 life.

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

{T}: Add {C}.

{3}{G}{W}, {T}, Tap two untapped creatures you control, Sacrifice Grove of the Guardian: Create an 8/8 green and white Elemental creature token with vigilance.

Draw three cards.

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.

+1: Put a loyalty counter on Huatli, Radiant Champion for each creature you control.

-1: Target creature gets +X/+X until end of turn, where X is the number of creatures you control.

-8: You get an emblem with "Whenever a creature enters the battlefield under your control, you may draw a card."

Search your library for an enchantment card, reveal it, put it into your hand, then shuffle.

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.

When Legion's Landing enters the battlefield, create a 1/1 white Vampire creature token with lifelink.

When you attack with three or more creatures, transform Legion's Landing.

(Transforms from Legion's Landing.)

{T}: Add {W}.

{2}{W}, {T}: Create a 1/1 white Vampire creature token with lifelink.

When Liege of the Hollows dies, each player may pay any amount of mana. Then each player creates a number of 1/1 green Squirrel creature tokens equal to the amount of mana they paid this way.

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.)

Create X 1/1 white Soldier creature tokens with lifelink.

Whenever another creature with power 2 or less enters the battlefield under your control, you may pay {1}. If you do, draw a card.

Creatures you control get +1/+1.

Whenever you tap a land for mana, add one mana of any type that land produced.

Hideaway 4 (When this land enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.)

Mosswort Bridge enters the battlefield tapped.

{T}: Add {G}.

{G}, {T}: You may play the exiled card without paying its mana cost if creatures you control have total power 10 or greater.

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.

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

{2}{G}, {T}: Create a 1/1 colorless Servo artifact creature token.

{4}{G}, {T}: Create an X/X colorless Construct artifact creature token, where X is the number of creatures you control.

For each creature token on the battlefield, its controller creates a token that's a copy of that creature.

Flashback {4}{G}{G}{G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead.

Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Trample

Landfall -- Whenever a land enters the battlefield under your control, you may create a 4/4 green Beast creature token.

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

Return two target cards from your graveyard to your hand. Exile Restock.

{2}{G/W}, {T}: Create a 1/1 green and white Elf Warrior creature token.

{4}{G/W}{G/W}, {T}: For each creature token you control, create a token that's a copy of that creature.

{T}: Add {C}.

{4}, {T}: Target creature can't be blocked this turn.

Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)

Creatures with flying can't attack you or planeswalkers you control.

At the beginning of your end step, create a 5/5 green Wurm creature token.

Search your library for a basic land card, put it onto the battlefield, then shuffle.

Suspend 2--{G} (Rather than cast this card from your hand, you may pay {G} and exile it with two time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)

Return any number of cards with different mana values from your graveyard to your hand. Put Seasons Past on the bottom of its owner's library.

For each token you control, create a token that's a copy of that permanent.

Selesnya Guildgate enters the battlefield tapped.

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

Selesnya Sanctuary enters the battlefield tapped.

When Selesnya Sanctuary enters the battlefield, return a land you control to its owner's hand.

{T}: Add {G}{W}.

{1}, {T}: Add {G}{W}.

Flying

You, planeswalkers you control, and other creatures you control have hexproof.

{4}{G}{G}: Put a +1/+1 counter on each creature you control.

Search your library for up to two creature cards with different names, reveal them, put them into your hand, then shuffle.

Equipped creature gets +1/-1.

Whenever equipped creature dies, draw two cards.

Equip {1}

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I, II -- Until your next turn, creatures you control gain "{T}: Add one mana of any color."

III -- Put a +1/+1 counter on each creature you control. Those creatures gain vigilance, trample, and indestructible until end of turn.

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."

{1}{G}, Sacrifice a land: Create two 1/1 green Squirrel creature tokens.

{1}{G}, Sacrifice a land: Squirrel creatures get +1/+1 until end of turn.

Stirring Wildwood enters the battlefield tapped.

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

{1}{G}{W}: Until end of turn, Stirring Wildwood becomes a 3/4 green and white Elemental creature with reach. It's still a land.

Destroy target artifact or enchantment, then populate. (Create a token that's a copy of a creature token you control.)

{1}, {T}: Add {G}{W}.

Choose an opponent. You and that player each create an X/X green Treefolk creature token.

Choose an opponent. You and that player each create X 1/1 green Elf Warrior creature tokens.

Temple of Plenty enters the battlefield tapped.

When Temple of Plenty enters the battlefield, scry 1.

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

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

Tranquil Thicket enters the battlefield tapped.

{T}: Add {G}.

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

Whenever another creature enters the battlefield under your control, you gain life equal to that creature's toughness.

{1}{G}{W}, {T}: Populate. (Create a token that's a copy of a creature token you control.)

Creatures you control gain indestructible until end of turn.

Addendum -- If you cast this spell during your main phase, put a +1/+1 counter on each of those creatures and they gain vigilance until end of turn.

{4}{G}{W}: Create a 3/3 green Centaur creature token.

{2}{G}{W}: Populate. (Create a token that's a copy of a creature token you control.)

{T}: Add {C}.

{2}{G}{W}, {T}: Create a 1/1 green Saproling creature token.