Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

Scry 2, then draw two cards. 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.)

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

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

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.) Draw a card.

Counter target spell.

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.

When you next cast an instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy. Flashback {1}{U}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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

Choose one — • Counter target noncreature spell unless its controller pays {2}. • Izzet Charm deals 2 damage to target creature. • Draw two cards, then discard two cards.

Lightning Bolt deals 3 damage to any target.

Choose two — • Prismari Command deals 2 damage to any target. • Target player draws two cards, then discards two cards. • Target player creates a Treasure token. • Destroy target artifact.

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

Counter target spell. Untap up to four lands.

Put a +1/+1 counter on target creature. It phases out. (Treat it and anything attached to it as though they don't exist until its controller's next turn.)

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.

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: This artifact deals 50 damage to any target.

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

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

{T}: Add {U} or {R}. {U}{R}, {T}, Sacrifice this artifact: Draw a card.

{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}{C}.

{T}: Add {C}. {T}: Add {U} or {R}. This artifact deals 1 damage to you.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

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

This land enters tapped. As this land enters, choose a color other than red. {T}: Add {R} or one mana of the chosen color.

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

As you create your deck, circle two of the colors below. Cryptic Spires enters tapped. {T}: Add one mana of either of the circled colors.

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

If you control two or more other lands, this land enters tapped. {T}: Add {U}. {5}{U}: Until end of turn, this land becomes a 7/7 blue Giant creature with ward {3}. It's still a land. (Whenever it becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

This land enters tapped. {T}: Add {U} or {R}.

({T}: Add {U}.)

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {U}{R}.

({T}: Add {R}.)

{T}: Add {U}. Channel — {3}{U}, Discard this card: 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.

This land enters tapped. {T}: Add {U} or {R}. {4}, {T}: Scry 1.

{T}: Add {C}. {2}, {T}, Sacrifice this land: Draw a card if you control an artifact. Draw a card if you control an enchantment.

This land enters tapped. As this land enters, choose a color other than blue. {T}: Add {U} or one mana of the chosen color.

This land enters tapped. Indestructible {T}: Add {U} or {R}.

{T}: Add {R}. Channel — {3}{R}, Discard this card: Create two 1/1 colorless Spirit creature tokens. They gain haste until end of turn. This ability costs {1} less to activate for each legendary creature you control.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {R}.

This land enters tapped. When this land enters, you gain 1 life. {T}: Add {U} or {R}.

{T}, Sacrifice this land: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

When this creature enters, return target instant or sorcery card from your graveyard to your hand.

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

Flying Whenever you cast an instant or sorcery spell, creatures you control get +1/+0 and gain trample until end of turn.

Instant and sorcery spells you cast cost {1} less to cast. Whenever a spell or ability you control counters a spell, you may draw a card. If you do, discard a card.

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.

Defender Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent.

Whenever you cast an instant or sorcery spell from your hand, you may cast up to one target card of the other type from your graveyard. If a spell cast from your graveyard this way would be put into your graveyard, exile it instead. Choose a Background (You can have a Background as a second commander.)

Instant and sorcery spells you cast cost {1} less to cast.

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

Flying Whenever a player casts their second spell each turn, this creature connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Spells can't be countered. Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. {T}: Draw a card.

When this creature enters, return up to two target instant and/or sorcery cards from your graveyard to your hand.

Whenever you cast an instant or sorcery spell, create a 2/2 blue Drake creature token with flying.

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 Tandem Lookout is paired with another creature, each of those creatures has "Whenever this creature deals damage to an opponent, draw a card."

Defender {T}: This creature deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap this creature.

Look at the top three cards of your library. Put one of them into your hand, put one of them on the bottom of your library, and exile one of them. You may play the exiled card this turn.

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

Exile target card that's an instant or sorcery from your graveyard. For each card exiled this way, copy it, and you may cast the copy without paying its mana cost. Exile Mizzix's Mastery. Overload {5}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Each player shuffles the cards from their hand into their library, then draws that many cards. Metalcraft — If you control three or more artifacts, Molten Psyche deals damage to each opponent equal to the number of cards that player has drawn this turn.

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

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Draw cards equal to the highest mana value among permanents you control.

At the beginning of your upkeep, put a time counter on this enchantment. Once each turn, you may pay {0} rather than pay the mana cost for a spell you cast with mana value X or less, where X is the number of time counters on this enchantment.

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

Whenever you cast your first instant or sorcery spell each turn, copy that spell. You may choose new targets for the copy.

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.

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

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