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

You have no maximum hand size. {T}: Add one mana of any color.

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

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

As this artifact enters, choose a creature type. Creatures you control of the chosen type get +1/+1. {T}: Add one mana of any color.

Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card.

Exile target creature you control, then return it to the battlefield under its owner's control. Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

Exile target creature or enchantment, then return it to the battlefield under its owner's control.

Exile target creature you control, then return it to the battlefield under its owner's control. Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.

Counter target spell.

Counter target spell.

As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1.

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.

{1}{U}: This creature gets +2/-2 until end of turn. At the beginning of your end step, if you haven't cast a spell from your hand this turn, draw a card, then discard a card.

Spells your opponents cast that target Charix cost {2} more to cast. {3}: Charix gets +X/-X until end of turn, where X is the number of Islands you control.

Flash (You may cast this spell any time you could cast an instant.)

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) {3}{U}{U}: This creature can't be blocked this turn. Activate only if you own a card in exile.

This creature can't be blocked. When this creature enters, tap target creature an opponent controls and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Landfall — Whenever a land you control enters, target player mills three cards.

{U}: Untap this creature.

Whenever another snow permanent you control enters, you may have target player mill two cards.

Changeling (This card is every creature type.) When this creature enters, create a 2/2 colorless Shapeshifter creature token with changeling.

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.) Channel — {2}{U}, Discard this card: Counter target spell or ability unless its controller pays {3}.

Changeling (This card is every creature type.) Flying {1}{U}: This creature gets +1/-1 until end of turn.

When this creature dies, draw a card.

Vigilance When this creature dies, draw a card.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

{6}{U}: Monstrosity 4. (If this creature isn't monstrous, put four +1/+1 counters on it and it becomes monstrous.) As long as this creature is monstrous, it has hexproof. (It can't be the target of spells or abilities your opponents control.)

Bestow {5}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.) Whenever this creature or enchanted creature deals combat damage to a player, draw a card. Enchanted creature gets +3/+3.

Psionic Spells — When this creature enters, choose target instant or sorcery card in your graveyard, then roll a d20. 1—9 | You may put that card on top of your library. 10—20 | Return that card to your hand.

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

{T}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

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

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on this creature. At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

Commander creatures you own have "At the beginning of your end step, exile up to one target tapped creature you control, then return it to the battlefield under its owner's control."

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

Search your library for a sorcery card, reveal it, then shuffle and put that card on top.

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

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

({T}: Add {U}.)

({T}: Add {W}.)

({T}: Add {W} or {U}.) This land enters tapped unless you control two or more basic lands.

You have no maximum hand size. {T}: Add {C}.

This land enters tapped unless you have two or more opponents. {T}: Add {W} or {U}.

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {W} or {U}.

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

Create a token that's a copy of target creature you control. Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

As this enchantment enters, choose a creature type. Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

{1}, Discard a card: Create a 0/3 blue Crab creature token. Delirium — Crabs you control get +1/+1 as long as there are four or more card types among cards in your graveyard.

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

Choose a number between 0 and 10. Destroy all creatures with power greater than or equal to the chosen number.

Return target creature to its owner's hand. Untap up to two lands.

Destroy target nonland permanent. Its controller creates a 1/1 white Human creature token.

Each other creature becomes a copy of target nonlegendary creature until end of turn.

Enchant creature {1}: Enchanted creature becomes the creature type of your choice until end of turn.

Choose a creature type other than Wall. Each creature becomes that type until end of turn.

Target artifact or creature becomes a copy of another target artifact or creature.

Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast."

Whenever a creature you control enters, put a +1/+1 counter on each creature you control.

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

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

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

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.)

If you would draw a card while you have no cards in hand, draw two cards instead. If you would gain life while you have 5 or less life, you gain twice that much life instead. {T}: Add one mana of any color.