Counter target spell that targets a permanent you control. Draw a card.

Counter target instant spell.

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

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

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

You have no maximum hand size. {T}: Add one mana of any color.

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

{T}, Sacrifice this artifact: Add one mana of any color.

As this artifact enters, choose a color. Whenever a player casts a spell of the chosen color, you may gain 1 life. {T}: Add one mana of the chosen color.

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

This artifact enters tapped. {T}: Add {U}.

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

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

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

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

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

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

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your graveyard.

Ward {2} You may look at the top card of your library any time. The top card of your library has plot. The plot cost is equal to its mana cost. You may plot nonland cards from the top of your library.

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.

Flash At the beginning of your end step, draw seven cards. Each opponent's maximum hand size is reduced by seven.

{T}: Draw a card, then discard a card.

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.

+2: Draw two cards, then put a card from your hand on the bottom of your library. −2: Create a blue Dog Illusion creature token with "This token's power and toughness are each equal to twice the number of cards in your hand." −10: Exchange your hand and library, then shuffle. You get an emblem with "You have no maximum hand size."

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}.

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.

Flying If you would draw a card while your library has no cards in it, instead put five +1/+1 counters on Ormos. {1}{U}{U}, Discard three cards with different names: Draw five cards.

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

Draw a card. Scry 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 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.)

Draw three cards. Then discard two cards unless you discard a basic land 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.

You may cast this spell as though it had flash if you pay {2} more to cast it. For each creature your opponents control, create a Cursed Role token attached to that creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

Counter target spell. If that spell targets a commander you control, instead counter that spell, scry 2, then draw a card.

Choose one — • Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. • Counter target spell unless its controller pays {4}.

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.)

Counter target spell. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Counter target spell unless its controller pays {2}. If they do, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Return target creature to its owner's hand. If its mana value was 3 or less, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.) This spell costs {1} less to cast if it's bargained. Counter target spell.

Counter target spell. Foretell {1}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flying {3}, Return a land you control to its owner's hand: Counter target spell unless its controller pays {3}.

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. Foretell {1}{U}{U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Choose one — • Counter target spell unless its controller pays {3}. • 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.

Cleave {1}{U}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Counter target spell [that wasn't cast from its owner's hand].