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.

Creatures you control gain trample until end of turn. (Each of those creature can deal excess combat damage to the player or planeswalker it's attacking.) Draw a card.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Draw two cards, then discard two cards. Untap up to three lands.

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.)

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

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

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.

Exile the top three cards of your library. You may play those cards this turn. At the beginning of the next end step, if any of those cards remain exiled, put them into your graveyard, then create a 0/1 colorless Eldrazi Spawn creature token for each card put into your graveyard this way. Those tokens have "Sacrifice this token: Add {C}."

This spell costs {1} less to cast if you control an Otter. Draw two cards.

Discard your hand, then draw four cards. For each card discarded this way, creatures you control get +1/+0 until end of turn. Plot {3}{R} (You may pay {3}{R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

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

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Draw three cards.

Flash Whenever a creature you control deals combat damage to a player, draw a card. When Enduring Curiosity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

Spree (Choose one or more additional costs.) + {2}{R} — Untap all creatures you control. If it's your combat phase, there is an additional combat phase after this phase. + {2} — Creatures you control get +1/+0 and gain first strike until end of turn. + {R} — Choose target opponent. Whenever a creature you control deals combat damage to that player this turn, create a tapped Treasure token.

Whenever you cast your first instant or sorcery spell each turn, exile an instant or sorcery card at random from your graveyard. Then copy each card exiled with this enchantment. You may cast any number of the copies without paying their mana costs.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Other creatures you control have prowess. (If a creature has multiple instances of prowess, each triggers separately.) Whenever you cast a noncreature spell, target creature you control can't be blocked this turn.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) You may look at the top card of your library any time. You may cast noncreature spells from the top of your library. If you cast a spell this way, you may cast it as though it had flash.

Haste Whenever you discard a card, this creature deals 1 damage to each opponent. {1}{R}, Discard a card: Draw a card. Activate only if this creature is attacking.

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

Flash (You may cast this spell any time you could cast an instant.) Flying You may cast spells as though they had flash.

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

Whenever you discard one or more cards, this creature deals that much damage to each opponent. Cycling {1}{R} ({1}{R}, Discard this card: Draw a card.) When you cycle this card, it deals 1 damage to each opponent.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever you cast a noncreature spell, create a 1/1 white Monk creature token with prowess.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) You can't lose the game this turn and your opponents can't win the game this turn. Until end of turn, damage that would reduce your life total to less than 1 reduces it to 1 instead.

Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

(Gain the next level as a sorcery to add its ability.) Whenever you cast a noncreature spell, you may discard a card. If you do, draw a card. {2}{R}: Level 2 Noncreature spells you cast cost {1} less to cast. {2}{R}: Level 3 If a source you control would deal noncombat damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

{T}: Add {U}. When you spend this mana to cast an instant or sorcery spell with mana value 3 or less, you may exile that spell instead of putting it into its owner's graveyard as it resolves. {3}{U}{U}, {T}: You may cast any number of spells from among cards exiled with this artifact without paying their mana costs. Activate only as a sorcery.

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.")

Return all attacking creatures to their owner's hand.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

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.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.) Return target creature an opponent controls to its owner's hand. If the gift was promised, instead return target nonland permanent an opponent controls to its owner's hand.

Gift a card (You may promise an opponent a gift as you cast this spell. If you do, they draw a card before its other effects.) Counter target creature spell. If the gift was promised, instead counter target spell.

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

Spree (Choose one or more additional costs.) + {1} — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy. + {1} — Change the target of target spell or ability with a single target.

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

Put a double strike counter on target creature, then goad each creature that had a double strike counter put on it this way. (Until your next turn, those creatures attack each combat if able and attack a player other than you if able.) Overload {4}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

{T}: Add {C}. {U/R}, {T}: Add {U}{U}, {U}{R}, or {R}{R}.

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

{1}, {T}: Add {U}{R}.

{T}, Pay 1 life: Add {U} or {R}. {1}, {T}, Sacrifice this land: Draw a card.

As this land enters, you may reveal an Island or Mountain card from your hand. If you don't, 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}.)

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

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

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

Target creature you control gets +2/+0 until end of turn. Overload {2}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Trample Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature.

Target creature gains haste until end of turn. Draw a card.

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.) As an additional cost to cast this spell, discard a card. Target player draws two cards. If the gift was promised, target creature you control gets +2/+0 until end of turn.

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Choose one — • Destroy target artifact. • Target creature gets +3/+2 and gains trample until end of turn.

Flying, haste Whenever you cast a noncreature spell, this creature gets +2/+0 until end of turn. Plot {1}{R} (You may pay {1}{R} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.)

Flying, haste Whenever you cast a noncreature spell, put a +1/+1 counter on this creature.

This creature gets +1/+0 for each artifact you control. Magecraft — Whenever you cast or copy an instant or sorcery spell, create a Treasure token.

Bestow {1}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) As long as this permanent is a creature, it has prowess. (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Enchanted creature gets +1/+1 and has prowess.

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

Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, draw a card.

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.")

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

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

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

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Instant and sorcery spells you cast cost {1} less to cast.