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

{T}, Mill a card: For each colored mana symbol in the milled card's mana cost, add one mana of that color. Activate only as an instant. (For example, if the card's mana cost is {3}{U}{U}{B}, you add {U}{U}{B}.)

Multikicker {2} (You may pay an additional {2} any number of times as you cast this spell.) This artifact enters with a charge counter on it for each time it was kicked. {T}: Add {C} for each charge counter on this artifact.

{T}: Add {C}. {T}: Target nonland permanent becomes an artifact in addition to its other types until end of turn.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

This artifact enters tapped. {T}: Add {G}.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

Equipped creature gets +1/+0. Equip {0} ({0}: Attach to target creature you control. Equip only as a sorcery.)

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

This artifact enters tapped. {T}: Add {U}.

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

Changeling (This card is every creature type.) {T}: Target creature gains all creature types until end of turn. {T}: Target creature loses all creature types until end of turn.

Threshold — This creature gets +2/+2 as long as seven or more cards are in your graveyard.

Reach (This creature can block creatures with flying.) {1}{G}: This creature can block an additional creature this turn.

When this creature enters, mill four cards.

Protection from blue Cycling {2} ({2}, Discard this card: Draw a card.)

Changeling (This card is every creature type.) As this creature enters, choose a creature type. Whenever another creature you control of the chosen type enters, put a +1/+1 counter on this creature.

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, target creature an opponent controls gets -1/-0 until end of turn.

Whenever this creature becomes the target of a spell or ability, mill three cards. {2}{U}, {T}: Prevent all combat damage that would be dealt to and dealt by target creature you control this turn.

Defender {T}: Creatures you control gain haste until end of turn.

Reach (This creature can block creatures with flying.) 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.)

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

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

{1}{G}, Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. If this card is in a graveyard, effects from spells named Muscle Burst count it as a card named Muscle Burst.

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

Flash When this creature enters, you may counter target spell.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Changeling (This card is every creature type.) When this creature enters, put a +1/+1 counter on target creature.

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, prevent all combat damage that other creatures would deal this turn.

Whenever another green creature you control enters, put a +1/+1 counter on target creature.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

When this creature enters, exile all cards from your library.

Changeling (This card is every creature type.) When this creature enters, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

Changeling (This card is every creature type.) Tap an untapped creature you control: This creature gains flying until end of turn.

Flash When this creature enters, counter target spell.

{T}: Target creature becomes a Frog with base power and toughness 3/3 until end of turn.

Each creature spell you cast costs {1} less to cast if it has mutate. Whenever you cast a creature spell, if it has mutate, draw a card, then discard a card.

When this creature enters, reveal the top four cards of your library. You may put a land card from among them into your hand. Put the rest into your graveyard.

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.

Whenever this creature or another creature dies, target player mills a card.

Sacrifice this creature: Prevent all combat damage that would be dealt this turn.

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

Changeling (This card is every creature type.)

Defender (This creature can't attack.) When this creature enters, target player mills four cards. (They put the top four cards of their library into their graveyard.)

{U}: This creature gains flying until end of turn.

Changeling (This card is every creature type.)

Enchant creature you control When this Aura enters, draw a card. Enchanted creature gets +1/+1 and has flying.

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. (You may put the top two cards of your library into your graveyard.) 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.

Enchant creature Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. (It loses all other card types and creature types.)

Whenever you draw a card, you may have target player mill a card.

Target player mills three cards. Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mill two cards. Draw a card.

Surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Flashback {1}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Until end of turn, target creature loses all abilities and becomes a blue Frog with base power and toughness 1/1.

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

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

({T}: Add {G}.)

{T}: Add {C}. {T}, Pay 1 life: Add {U}. {1}{U}, {T}, Sacrifice a Desert: Target player mills four cards. (They put the top four cards of their library into their graveyard.)

({T}: Add {U}.)

Each player mills four cards. Return up to two instant and/or sorcery cards from your graveyard to your hand. Exile Bond of Insight.

Search your library for a basic land card, reveal it, put it into your hand, then shuffle. Morbid — You may put that card onto the battlefield instead of putting it into your hand if a creature died this turn.

Each player mills five cards. Flashback {7}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player mills five cards. Cycling {U} ({U}, Discard this card: Draw a card.)

Create a token that's a copy of target non-Frog creature, except it's a 1/1 green Frog. Flashback {3}{G}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

Mill three cards, then return a land card or Elf card from your graveyard to your hand. If you can't, draw a card. (To mill a card, put the top card of your library into your graveyard.)