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.")

Return all creatures to their owners' hands.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

When this artifact enters, draw three cards. {T}: Add three mana of any one color. Whenever one or more creatures an opponent controls attack you and aren't blocked, that player draws three cards and gains control of this artifact. Untap it.

Imprint — When this artifact enters, you may exile target land you control. Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

Whenever a player plays a land, that player draws a card.

At the beginning of each player's draw step, if this artifact is untapped, that player draws an additional card.

At the beginning of each opponent's upkeep, this artifact deals X damage to that player, where X is the number of cards in their hand minus 4.

Whenever an opponent casts a creature spell, that player loses 2 life unless they pay {2}.

At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4.

You have no maximum hand size. If an effect causes you to discard a card, discard it, but you may put it on top of your library instead of into your graveyard.

Blue spells you cast cost {1} less to cast.

You have no maximum hand size.

{T}: Each player draws a card.

This spell costs {1} less to cast for each instant and sorcery card in your graveyard. You have no maximum hand size. At the beginning of your upkeep, put a knowledge counter on The Magic Mirror, then draw a card for each knowledge counter on The Magic Mirror.

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

{T}: Add {C}. {1}{U}, {T}: Put target artifact card from your graveyard on top of your library.

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

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.

Flying {2}{U}, {T}: Draw two cards, then discard a card. Whenever Atemsis deals damage to an opponent, you may reveal your hand. If cards with at least six different mana values are revealed this way, that player loses the game.

Body of Knowledge's power and toughness are each equal to the number of cards in your hand. You have no maximum hand size. Whenever this creature is dealt damage, draw that many cards.

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

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

At the beginning of each player's draw step, that player draws an additional card.

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

Target player activates a mana ability of each land they control. Then that player loses all unspent mana and you add the mana lost this way.

Each player shuffles their hand and graveyard into their library, then draws seven cards. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Draw cards equal to the number of cards in your library, then put a card from your hand on top of your library. You have no maximum hand size until your next turn.

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

At the beginning of each end step, if you drew two or more cards this turn, you may put a quest counter on this enchantment. As long as this enchantment has six or more quest counters on it, if you would draw a card, you may instead search your library for a card, put that card into your hand, then shuffle.

When this enchantment enters, draw a card. Whenever a land an opponent controls enters, if that player had another land enter the battlefield under their control this turn, they return a land they control to its owner's hand.

Flash (You may cast this spell any time you could cast an instant.) At the beginning of each player's draw step, that player draws an additional card.

If this card is in your opening hand, you may begin the game with it on the battlefield. You may cast spells as though they had flash.

You may cast spells from your hand without paying their mana costs.

Whenever you draw a card, each opponent mills two cards.

Whenever an opponent casts a creature spell, this enchantment deals 2 damage to that player unless they pay {2}.

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

When this enchantment enters, draw two cards. At the beginning of each other player's draw step, that player draws an additional card. At the beginning of your draw step, draw two additional cards.

Return all attacking creatures to their owner's hand.

If you would gain life, you gain twice that much life instead. If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

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.

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

Target player draws X cards. Shuffle Blue Sun's Zenith into its owner's library.

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

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

{2}, {T}: You gain 5 life. Shuffle this artifact and your graveyard into their owner's library.

At the beginning of each player's draw step, that player draws two additional cards.

Buyback—Discard two cards. (You may discard two cards in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Counter target spell.

Assist (Another player can pay up to {5} of this spell's cost.) Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Game Plan.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

({T}: Add {U}.)

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.

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

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

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

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.

Each opponent can't draw more than one card each turn. −2: Look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

This spell can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

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

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

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

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

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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.)

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