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

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

At the beginning of each opponent's upkeep, if that player has seven or more cards in hand, this artifact deals 4 damage to that player.

Players have no maximum hand size. {X}{X}, {T}: Each player draws X cards. {2}{U}, {T}: Each opponent mills cards equal to the number of cards in their hand.

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

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

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.

{T}: Add {U}. {2}{U}: Put an hour counter on this artifact. At the beginning of each upkeep, put an hour counter on this artifact. When the twelfth hour counter is put on this artifact, shuffle your hand and graveyard into your library, then draw seven cards. Exile this artifact.

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

At the beginning of each opponent's upkeep, if that player has five or more cards in hand, this artifact deals 2 damage to that player.

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

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

This artifact enters tapped. {T}: Add one mana of any color that a basic land you control could produce.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Exile any number of target players' graveyards. Draw a card.

{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.

You may have this creature enter as a copy of any nonland permanent on the battlefield.

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

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.

When this creature enters, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

When this creature enters, you may search your library for an artifact card with mana value 1 or less, reveal that card, put it into your hand, then shuffle.

When this creature enters, you may search your library for an artifact card with mana value 3, reveal it, put it into your hand, then shuffle.

Return six target nonland permanents to their owners' hands.

Target player draws X cards.

Return all nonland permanents to their owners' hands. 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.)

Return target creature to its owner's hand. Draw a card.

Choose one — • Each player draws X cards. • Each player mills X cards.

Draw X cards. If X is 10 or more, instead shuffle your graveyard into your library, draw X cards, untap up to five lands, and you have no maximum hand size for the rest of the game. Exile Finale of Revelation.

Return all nonblue creatures to their owners' hands.

Draw X cards.

Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

Each player draws X cards.

Return all nonland permanents target player controls to their owner's hand.

Each player draws X cards. Forecast — {2}{U}, Reveal this card from your hand: Each player draws a card. (Activate only during your upkeep and only once each turn.)

Return all permanents of the color of your choice to their owners' hands.

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.

Return all attacking creatures to their owner's hand.

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

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

Return target permanent to its owner's hand.

Target player draws X cards plus an additional card for each time they've cast a commander from the command zone this game.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Target player draws X cards. • Target player mills twice X cards.

Return to their owners' hands all creatures with toughness less than or equal to the number of Islands you control.

Return all creatures to their owners' hands.

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

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Return target creature to its owner's hand. Draw a card.

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Return target nonland permanent you control and target nonland permanent you don't control to their owners' hands.

You may exile a blue card from your hand rather than pay this spell's mana cost. Return target creature to its owner's hand.

Target player draws X cards.

Return target creature to its owner's hand.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Return target permanent to its owner's hand.

{T}: Add {C}. {5}{U}, {T}, Sacrifice this land: Draw two cards.

This land enters tapped. {T}: Add {U}. Cycling {1}{U} ({1}{U}, Discard this card: Draw a card.)

({T}: Add {U}.)

{T}: Add {C}. {4}, {T}: Remove target attacking or blocking creature from combat.

This land enters tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {U}. {4}{U}, {T}, Sacrifice this land: Draw two cards.

({T}: Add {U}.) This land enters tapped unless you control three or more other Islands. When this land enters untapped, you may put target instant or sorcery card from your graveyard on top of your library.

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

This land enters tapped. {T}: Add {U}. Cycling {2} ({2}, Discard this card: Draw a card.)

This land enters tapped. {T}: Add {U}. {T}, Sacrifice this land: Add {U}{U}.