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

{X}, Sacrifice this artifact: Create X 1/1 green Snake creature tokens. Activate only as a sorcery.

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

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) When this creature enters, destroy target artifact, enchantment, or land.

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) If one or more tokens would be created under your control, twice that many of those tokens are created instead.

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

When this creature enters, create a 0/1 green Plant creature token for each land you control. Landfall — Whenever a land you control enters, you may put a +1/+1 counter on each Plant creature you control.

At the beginning of the end step, if you control four or more creatures named Biovisionary, you win the game.

Whenever you draw a card, put a +1/+1 counter on this creature. When this creature dies, create X 1/1 blue Squid creature tokens with islandwalk, where X is the number of +1/+1 counters on this creature. (They can't be blocked as long as defending player controls an Island.)

When this creature enters, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put that card into your hand.

Flash When this creature enters, each token that would be created under an opponent's control this turn is created under your control instead.

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.

{T}: Add {G}.

Vigilance, trample, haste When this creature enters, other creatures you control get +2/+2 and gain vigilance and trample until end of turn.

Alliance — Whenever another creature you control enters, choose one that hasn't been chosen this turn — • Put a +1/+1 counter on this creature. • Create a tapped Treasure token. • You gain 2 life.

Trample When this creature enters, if it isn't a token, create two tokens that are copies of it. When this creature dies, put a number of +1/+1 counters equal to its power on each creature you control named Gruff Triplets.

Defender (This creature can't attack.) Whenever this creature 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.)

Flying, deathtouch When this creature enters, create four 1/1 green Insect creature tokens with flying and deathtouch.

{X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.) When this creature becomes monstrous, create X X/X green Hydra creature tokens.

{T}: Add one mana of any type that a land you control could produce. If this creature has a +1/+1 counter on it, add three mana of that type instead. {3}{G}{G}: Adapt 3. (If this creature has no +1/+1 counters on it, put three +1/+1 counters on it.)

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

Affinity for tokens (This spell costs {1} less to cast for each token you control.) Whenever a token you control enters, tap target nonland permanent an opponent controls. It doesn't untap during its controller's next untap step.

{T}: Add {G}.

Flying When this creature enters, untap up to five lands.

Reach {T}: Add one mana of any color. {2}: This creature gains deathtouch until end of turn.

When this creature enters, you may search your library for a basic Forest or Island card, put it onto the battlefield, then shuffle.

Trample Landfall — Whenever a land you control enters, you may create a 4/4 green Beast creature token.

When this creature enters, you may destroy target artifact or enchantment.

Whenever this creature or another Elemental you control enters, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

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

Landfall — Whenever a land you control enters, create a Food token or a Treasure token. (Food is an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life." Treasure is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

Counter target spell. Create X 1/1 colorless Thopter artifact creature tokens with flying, where X is that spell's mana value.

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

Creatures you control have base power and toughness X/X until end of turn.

Draw three cards, then put two cards from your hand on top of your library in any order.

Create a token that's a copy of target creature you control. Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counter target spell.

For each opponent, you create a token that's a copy of up to one target creature that player controls.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Draw a card. You may put a land card from your hand onto the battlefield.

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.

Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter this turn, they enter as copies of the chosen creature. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Counter target noncreature spell.

Choose one — • Return all creature tokens to their owners' hands. • Return all nontoken creatures to their owners' hands.

Destroy target creature. It can't be regenerated. That creature's controller creates a 3/3 green Frog Lizard creature token.

Whenever a nontoken creature an opponent controls enters this turn, create a token that's a copy of that creature.

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.

({T}: Add {G}.)

({T}: Add {U}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

Return target creature to its owner's hand. Create X 1/1 green Saproling creature tokens, where X is that creature's mana value.

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.

Exile X target creatures. For each creature exiled this way, its controller creates a 2/2 green Boar creature token.

For each of X target permanents, create X tokens that are copies of that permanent.

Create X 1/1 green Saproling creature tokens, where X is the greatest power among creatures you control.

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.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Exile all creatures. Each player creates a 0/0 green and blue Fractal creature token and puts a number of +1/+1 counters on it equal to the total power of creatures they controlled that were exiled this way.