{T}: Add {C}{C}. This land deals 2 damage to you.

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

{T}: Add {C}. {T}, Sacrifice this land: Put your commander into your hand from the command zone.

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

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {U}.

({T}: Add {G}.)

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

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

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

({T}: Add {G} or {U}.) This land enters tapped.

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {G}{U}.

({T}: Add {G} or {U}.) This land enters tapped.

As Three Tree City enters, choose a creature type. {T}: Add {C}. {2}, {T}: Choose a color. Add an amount of mana of that color equal to the number of creatures you control of the chosen type.

Each land is a Swamp in addition to its other land types.

{T}: Add {C}. {T}: Add {G} or {U}. This land deals 1 damage to you.

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

The "legend rule" doesn't apply to permanents you control. Each legendary creature you control gets +1/+1. Each nontoken creature you control gets +1/+1 for each other creature you control with the same name as that creature.

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

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

Create X 1/1 green Forest Dryad land creature tokens. (They're affected by summoning sickness.)

Council's dilemma — Starting with you, each player votes for time or money. For each time vote, take an extra turn after this one. For each money vote, choose a permanent owned by the voter and gain control of it. Exile Expropriate.

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

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 Forest card, put that card onto the battlefield, then shuffle.

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.

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

Take an extra turn after this one.

Take an extra turn after this one. Exile Temporal Mastery. Miracle {1}{U} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

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

Target player takes an extra turn after this one.

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.

You may play two additional lands on each of your turns.

Flying {T}: Add one mana of any color.

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.

Flying Whenever an opponent draws a card, you may draw two cards.

Flying You have no maximum hand size. Whenever a creature token you control deals combat damage to a player, draw a card.

(This land isn't a spell, it's affected by summoning sickness, and it has "{T}: Add {G}.")

{T}: Add {G}.

Flying The first time you would create one or more tokens during each of your turns, you may instead choose a creature other than Esix and create that many tokens that are copies of that creature.

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

{T}: Add {G}.

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.

Attacking creatures you control have deathtouch. Whenever a creature you control deals combat damage to a player, draw a card.

You may have Sakashima enter as a copy of another creature you control, except it has Sakashima's other abilities. The "legend rule" doesn't apply to permanents you control. Partner (You can have two commanders if both have partner.)

You may have Sakashima the Impostor enter as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return Sakashima the Impostor to its owner's hand at the beginning of the next end step."

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

You may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

Whenever a Kraken, Leviathan, Octopus, or Serpent you control deals combat damage to a player, create a 9/9 blue Kraken creature token.

Flying At the beginning of each of your postcombat main phases, there is an additional beginning phase after this phase. (The beginning phase includes the untap, upkeep, and draw steps.)

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.

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

As this enchantment enters, choose a creature type. Whenever a creature you control of the chosen type enters or attacks, draw a card.

Enchant player At the beginning of enchanted player's first upkeep each turn, that player gets an additional upkeep step after this step.

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

Whenever an opponent casts a spell, you may draw a card unless that player pays {1}.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Counter target spell.

As an additional cost to cast this spell, sacrifice a land. Search your library for a land card, put that card onto the battlefield, then shuffle.

Return target nonland permanent you don't control to its owner's hand. Overload {6}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.)

If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

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

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.

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

Search your library for up to X basic land cards, where X is the number of creatures attacking you, put those cards onto the battlefield tapped, then shuffle. Prevent all combat damage that would be dealt this turn.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

As an additional cost to cast this spell, you may exile any number of blue cards from your hand. This spell costs {2} less to cast for each card exiled this way. Up to X target creatures phase out. (While they're phased out, they're treated as though they don't exist. Each one phases in before its controller untaps during their next untap step.)

If you control a commander, you may cast this spell without paying its mana cost. Prevent all damage that would be dealt this turn by creatures your opponents control.

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

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

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