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

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

Nyx Lotus enters the battlefield tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

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

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

At the beginning of each player's draw step, that player may draw an additional card. If they do, spells they cast this turn cost {2} more to cast.

{T}: Draw three cards. {2}{U}{U}: Return Arcanis the Omnipotent to its owner's hand.

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

Tap an untapped Wizard you control: Draw a card.

{2}, Sacrifice a permanent: Return target creature to its owner's hand.

{1}{U}: Target spell or permanent becomes the color of your choice until end of turn.

{2}{U}, {T}: Reveal any number of blue cards in your hand. Counter target spell unless its controller pays {1} for each card revealed this way.

{U}{U}, {T}: Gain control of target legendary permanent. (This effect lasts indefinitely.)

{2}{U}{U}, {T}: Counter target spell.

At the beginning of each opponent's upkeep, that player chooses draw step, main phase, or combat phase. The player skips each instance of the chosen step or phase this turn.

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

Nameless One's power and toughness are each equal to the number of Wizards on the battlefield. Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Tap an untapped Wizard you control: Counter target spell unless its controller pays {1}.

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.

{2}{U}{U}, {T}: Draw a card for each Wizard you control.

Flying {U}, Sacrifice Siren Stormtamer: Counter target spell or ability that targets you or a creature you control.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Merfolk spells and Wizard spells you cast cost {1} less to cast.

Flying Sturmgeist's power and toughness are each equal to the number of cards in your hand. Whenever Sturmgeist deals combat damage to a player, draw a card.

You have no maximum hand size. At the beginning of your upkeep, if you have exactly thirteen cards in your hand, you win the game. {3}{U}: Draw a card.

Morph {2}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) When Voidmage Apprentice is turned face up, counter target spell.

As long as the top card of your graveyard is a creature card, Volrath's Shapeshifter has the full text of that card and has the text "{2}: Discard a card." (Volrath's Shapeshifter has that card's name, mana cost, color, types, abilities, power, and toughness.) {2}: Discard a card.

Enchant creature Enchanted creature can't be blocked.

Whenever a creature you control deals combat damage to an opponent, you may draw a card.

Enchant creature Whenever enchanted creature deals damage to an opponent, you may draw a card.

Enchant creature Shroud (A permanent with shroud can't be the target of spells or abilities.) Enchanted creature has shroud.

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

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}.

Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step. At the beginning of the upkeep of enchanted permanent's controller, that player loses 1 life.

Enchant enchantment At the beginning of the upkeep of enchanted enchantment's controller, that player loses 2 life unless they pay {2}. Cycling {2} ({2}, Discard this card: Draw a card.)

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

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

Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player sacrifices that creature unless they pay {2}. When Slow Motion is put into a graveyard from the battlefield, return Slow Motion to its owner's hand.

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

Counter target spell.

Counter target instant or sorcery spell unless its controller pays {1}. Draw a card.

Change the target of target spell with a single target unless that spell's controller pays {2}.

X can't be 0. Target spell's controller exiles it with X delay counters on it. At the beginning of each of that player's upkeeps, if that card is exiled, remove a delay counter from it. If the card has no delay counters on it, the player puts it onto the stack as a copy of the original spell.

You may return two Islands you control to their owner's hand rather than pay this spell's mana cost. Draw two cards.

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

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

If target spell has only one target and that target is a creature, change that spell's target to another creature.

You may exile a blue card from your hand rather than pay this spell's mana cost. Change the target of target spell with a single target.

Change the target of target spell that targets only a player. The new target must be a player.

You may choose new targets for target spell.

Return target creature to its owner's hand. Untap up to two lands.

Choose one or more — • Counter target spell. • Counter target activated or triggered ability. • Return target nonland permanent to its owner's hand. • Create a token that's a copy of target creature you control. • Target player draws a card.

Return all lands to their owners' hands.

Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

{T}: Add {C}. {3}, {T}, Sacrifice a land: Destroy target nonbasic land.

({T}: Add {U}.)

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

{T}: Add {U}. Channel — {3}{U}, Discard Otawara, Soaring City: Return target artifact, creature, enchantment, or planeswalker to its owner's hand. This ability costs {1} less to activate for each legendary creature you control.

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

{T}: Add {C}. {1}{U}, {T}: Return target Wizard you control to its owner's hand.

If Soldevi Excavations would enter the battlefield, sacrifice an untapped Island instead. If you do, put Soldevi Excavations onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {C}{U}. {1}, {T}: Scry 1.

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.

Return target sorcery card from your graveyard to your hand.

For each creature, its controller sacrifices a permanent unless they pay {1}.

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.

Look at the top three cards of your library, then put them back in any order. You may shuffle. Draw a card.