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

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

{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 {G}.)

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

At the beginning of your upkeep, if you control three or more artifacts, you gain 1 life. {T}: Add {C}. {4}, {T}, Sacrifice Inventors' Fair: Search your library for an artifact card, reveal it, put it into your hand, then shuffle. Activate only if you control three or more artifacts.

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

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 {G} or {U}.

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

{T}: Draw a card. Activate only if you created a token this turn. {8}, {T}, Sacrifice this artifact: Create a 10/10 colorless Eldrazi creature token.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

If an artifact or creature entering causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

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.

Put target permanent on top of its owner's library. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Create a 0/3 blue Crab creature token. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

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.

Target noncreature artifact you control becomes a 0/0 artifact creature. Put four +1/+1 counters on each artifact that became a creature this way. Overload {4}{U}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Destroy target artifact or enchantment. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

If you would create a Clue, Food, or Treasure token, instead create one of each.

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.

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

Flying Other artifact creatures you control have flying. When this creature enters, until end of turn, each noncreature artifact you control becomes an artifact creature with base power and toughness 4/4.

Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) As long as Deadeye Navigator is paired with another creature, each of those creatures has "{1}{U}: Exile this creature, then return it to the battlefield under your control."

When this creature enters, return a permanent you control to its owner's hand.

{T}: Add {G}.

Flying Whenever you investigate for the first time each turn, investigate an additional time.

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

Flying When this creature enters, investigate X times, where X is the number of opponents you have. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you draw your second card each turn, create a 1/1 white Spirit creature token with flying.

{3}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

{T}: Add {G}.

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}.

Whenever an artifact you control enters, look at the top card of your library. If it's a land card, you may reveal it and put it into your hand. If you don't put the card into your hand, you may put it into your graveyard.

Flying As long as you control four or more artifacts, this creature has hexproof. (It can't be the target of spells or abilities your opponents control.) Tap two untapped artifacts you control: Draw a card.

Flying When this creature enters, return a creature you control to its owner's hand.

Flash Flying When this creature enters, choose up to one target creature spell or planeswalker spell. Its owner puts it on their choice of the top or bottom of their library. Evoke—Exile a blue card from your hand.

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control. {3}{U}: Tap another target creature.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Flying When this creature enters, draw two cards.

Landfall — Whenever a land you control enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you sacrifice a Clue, put a +1/+1 counter on this creature.

Whenever this creature or another artifact you control enters, you may draw a card. If you do, discard a card. {2}: Put target card from your graveyard on the bottom of your library.

Your maximum hand size is increased by two. At the beginning of your upkeep, return a blue creature you control to its owner's hand.

Whenever a nontoken creature you control enters, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

Enchant creature or planeswalker When this Aura enters, tap enchanted permanent and investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Enchanted permanent doesn't untap during its controller's untap step and its activated abilities can't be activated.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Enchant creature, planeswalker, or Clue Enchanted permanent is a colorless Clue artifact with "{2}, Sacrifice this artifact: Draw a card" and loses all other abilities. (It's no longer a creature or planeswalker.)

Creatures don't untap during their controllers' untap steps. Whenever a creature enters, untap all creatures.

Whenever one or more creatures you control deal combat damage to a player, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") {1}{G}, Exile a creature card from your graveyard: Investigate. You gain 2 life.

If one or more tokens would be created, twice that many of those tokens are created instead. If one or more +1/+1 counters would be put on a creature, twice that many +1/+1 counters are put on that creature instead.

Whenever a nontoken creature you control dies, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you sacrifice a Clue, create a 1/1 white Human Soldier creature token.

For each attacking creature, its owner puts it on their choice of the top or bottom of their library.

Counter target spell. Investigate three times. (To investigate, create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Investigate, then target creature gets +1/+1 until end of turn for each Clue you control. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

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.")

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control.

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

Return all creatures to their owners' hands.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) Return target nonland permanent to its owner's hand. If you have the city's blessing, you may put that permanent on top of its owner's library instead.

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

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.

Counter target spell. If that spell is countered this way, put that card on your choice of the top or bottom of its owner's library instead of into that player's graveyard.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

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.)

Choose one — • Look at the top five cards of target opponent's library, then put them back in any order. • Look at the top five cards of your library, then put them back in any order. Entwine {U} (Choose both if you pay the entwine cost.)