Whenever you cast a creature spell, draw a card.

Changeling (This card is every creature type.) As this creature enters, choose a creature type. You may look at the top card of your library any time. You may cast creature spells of the chosen type from the top of your library.

Equipped creature gets +1/-1. Whenever equipped creature dies, draw two cards. Equip {1}

{T}: Untap target Forest.

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

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.

Whenever a creature you control attacks, put a charge counter on this enchantment. Remove a charge counter from this enchantment: Add one mana of any color.

Tap an untapped creature you control: Untap target basic land.

You may look at the top card of your library any time. You may cast creature spells from the top of your library. Creatures you control have "{T}: Add one mana of any color."

{T}: Add {G}.

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

{T}: Add {G}.

{0}: You may put a basic Forest card from your hand onto the battlefield. Activate only as a sorcery and only once each turn. Sacrifice this enchantment: Add {G}{G}.

Tokens you control have "{T}: Add {G}." Choose a Background (You can have a Background as a second commander.)

{T}: Add {G}.

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

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

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

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

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

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

Enchant Forest As this Aura enters, choose a color. Whenever enchanted Forest is tapped for mana, its controller adds an additional one mana of the chosen color.

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

{G}, {T}, Sacrifice this creature and another green creature: Search your library for a green creature card, put it onto the battlefield, then shuffle.

All creatures have haste.

At the beginning of your upkeep, if this creature is in your graveyard, you may pay {2}{G}. If you do, return target creature card from your graveyard to your hand.

({G/P} can be paid with either {G} or 2 life.) Put target card from a graveyard on top of its owner's library.

({T}: Add {G}.)

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Destroy target artifact or enchantment.

Creature and enchantment spells you control can't be countered. {3}{G}: Target land you control becomes an X/X Elemental creature with trample and haste until end of turn, where X is the number of enchantments you control. It's still a land.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Black creatures can't attack you. Nonblack creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Permanents you control gain hexproof and indestructible until end of turn.

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

Changeling (This card is every creature type.) Protection from black {2}{G}{G}: This creature gets +X/+X until end of turn, where X is its power.

{G}: Target land becomes a 1/1 creature until end of turn. It's still a land. {2}{G}{G}{G}: Creatures you control get +3/+3 and gain trample until end of turn.

{1}, {T}: This artifact deals 1 damage to any target. That permanent's controller or that player creates a 1/1 green Squirrel creature token.

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.)

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.)

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 this artifact. Squirrels you control get +1/+1 for each acorn counter on this artifact. {G}, {T}: Create a 1/1 green Squirrel creature token.

Vanishing 3 (This creature enters 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 this creature enters, 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 this creature enters, create four 1/1 green Squirrel creature tokens. Squirrel creatures get +1/+1.

If an effect would create one or more tokens under your control, it creates twice that many of those tokens instead. If an effect would put one or more counters on a permanent you control, it puts twice that many of those counters on that permanent instead.

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

When this creature 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.

{1}, Exile two creature cards from a single graveyard: Create a 1/1 green Saproling creature token.

At the beginning of your upkeep, you may create a 1/1 green Squirrel creature token. Threshold — All Squirrels get +2/+2 as long as seven or more cards are in your graveyard.

If one or more tokens would be created, twice that many of those tokens are created instead. If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.

Evolve (Whenever a creature you control enters, 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 this creature, you may create a 1/1 green Squirrel creature token.

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.