{T}: Add {C}.

{G}{U}, {T}: You may cast spells this turn as though they had flash.

Any player may cast creature spells with mana value 3 or less without paying their mana costs and as though they had flash.

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

{T}: Add {G}.

{T}: Add {U}.

Basalt Monolith doesn't untap during your untap step.

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

{3}: Untap Basalt Monolith.

Flying

{T}: Add one mana of any color.

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

({T}: Add {G} or {U}.)

As Breeding Pool enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

At the beginning of each of your main phases, if you haven't added mana with this ability this turn, you may add X mana of any one color, where X is the number of Islands target opponent controls.

Castle Garenbrig enters the battlefield tapped unless you control a Forest.

{T}: Add {G}.

{2}{G}{G}, {T}: Add six {G}. Spend this mana only to cast creature spells or activate abilities of creatures.

Castle Vantress enters the battlefield tapped unless you control an Island.

{T}: Add {U}.

{2}{U}{U}, {T}: Scry 2.

As Cavern of Souls enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

Creatures you control have "{T}: Add {G}."

{T}: Add {C}.

{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

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

Counter target spell.

Creatures you control have "{T}: Add one mana of any color."

Dreamroot Cascade enters the battlefield tapped unless you control two or more other lands.

{T}: Add {G} or {U}.

{T}: Add {G}.

{T}: Add {C}.

{1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

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

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

{T}: Draw a card and reveal it. If it isn't a land card, discard it.

{T}, Sacrifice Fabled Passage: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle. Then if you control four or more lands, untap that land.

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

Counter target noncreature spell.

{T}: Add {C}.

{G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

{T}, Pay 1 life, Sacrifice Flooded Strand: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle.

{T}: Add {G} for each creature you control.

{T}: Add {C}.

{T}, Sacrifice Ghost Quarter: Destroy target land. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Golgari Grave-Troll enters with a +1/+1 counter on it for each creature card in your graveyard.

{1}, Remove a +1/+1 counter from Golgari Grave-Troll: Regenerate Golgari Grave-Troll.

Dredge 6 (If you would draw a card, you may mill six cards instead. If you do, return this card from your graveyard to your hand.)

Grim Monolith doesn't untap during your untap step.

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

{4}: Untap Grim Monolith.

Whenever a Frog you control attacks, mill three cards.

Whenever a permanent card is put into your graveyard from your library, exile it with a croak counter on it.

You may play lands and cast spells from among cards you own in exile with croak counters on them.

{G}, {T}: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

Hinterland Harbor enters tapped unless you control a Forest or an Island.

{T}: Add {G} or {U}.

Creatures don't untap during their controllers' untap steps.

Whenever a creature enters the battlefield, untap all creatures.

Search your library for three cards and reveal them. Target opponent chooses one. Put that card into your hand and the rest into your graveyard. Then shuffle.

If you would draw a card while your library has no cards in it, you win the game instead.

+1: Target player mills two cards. Draw a card.

-8: Draw seven cards. Then if your library has no cards in it, you win the game.

Whenever you tap a nonland permanent for mana, add one mana of any type that permanent produced.

{5}{G}{U}: Look at the top five cards of your library. You may put a non-Human creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

If you would draw a card while your library has no cards in it, you win the game instead.

Return up to three target land cards from your graveyard to your hand.

Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

{T}: Add {G}.

When Man-o'-War enters, return target creature to its owner's hand.

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

Whenever a permanent becomes untapped, that permanent's controller mills a card.

{T}, Pay 1 life, Sacrifice Misty Rainforest: Search your library for a Forest or Island card, put it onto the battlefield, then shuffle.

Changeling (This card is every creature type.)

Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.

({T}: Add {U}.)

Mystic Sanctuary enters tapped unless you control three or more other Islands.

When Mystic Sanctuary enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

Counter target noncreature spell.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

{1}, {T}: Target player mills a card.

Tap four untapped Advisors you control: Target player mills twelve cards.

A deck can have any number of cards named Persistent Petitioners.

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

{T}, Pay 1 life, Sacrifice Polluted Delta: Search your library for an Island or Swamp card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Prismatic Vista: Search your library for a basic land card, put it onto the battlefield, then shuffle.

Whenever a creature you control becomes tapped, you may put a quest counter on Quest for Renewal.

As long as there are four or more quest counters on Quest for Renewal, untap all creatures you control during each other player's untap step.

Rejuvenating Springs enters the battlefield tapped unless you have two or more opponents.

{T}: Add {G} or {U}.

You may have Sakashima of a Thousand Faces enter the battlefield as a copy of another creature you control, except it has Sakashima of a Thousand Faces's other abilities.

The "legend rule" doesn't apply to permanents you control.

Partner (You can have two commanders if both have partner.)

{T}, Pay 1 life, Sacrifice Scalding Tarn: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle.

{T}: Add {C}.

{2}, {T}, Sacrifice a Desert: Exile all graveyards.

Untap all permanents you control during each other player's untap step.

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

When Spellseeker enters the battlefield, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

At the beginning of your draw step, you may draw two additional cards. If you do, choose two cards in your hand drawn this turn. For each of those cards, pay 4 life or put the card on top of your library.

{T}: Add {C}.

{T}: Add {G} or {U}. Talisman of Curiosity deals 1 damage to you.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.

When Thassa's Oracle 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.)

Target player mills two cards.

Draw a card.

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

Spells you cast have ripple 4. (Whenever you cast a spell, you may reveal the top four cards of your library. You may cast spells with the same name as that spell from among the revealed cards without paying their mana costs. Put the rest on the bottom of your library.)

({T}: Add {G} or {U}.)

Changeling (This card is every creature type.)

{T}, Pay 1 life, Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card, put it onto the battlefield, then shuffle.

{T}: Add {C}.

{T}, Sacrifice Wasteland: Destroy target nonbasic land.

{T}, Pay 1 life: Add {G} or {U}.

{1}, {T}, Sacrifice Waterlogged Grove: Draw a card.

{T}, Pay 1 life, Sacrifice Windswept Heath: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

{T}, Pay 1 life, Sacrifice Wooded Foothills: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle.

{T}: Add {C}.

{T}: Add {G} or {U}. Yavimaya Coast deals 1 damage to you.