{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}.

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}.)

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

This land enters tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

Five Hundred Year Diary enters tapped. {T}: Add {U} for each Clue you control. {2}, Sacrifice Five Hundred Year Diary: Draw a card.

Nonartifact spells you cast have improvise. (Your artifacts can help cast those spells. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token. −2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

If you would create a Clue, Food, or Treasure token, instead create one of each.

First strike, menace Whenever you cast your first instant or sorcery spell each turn, you may cast a spell with lesser mana value that shares a card type with it from your hand without paying its mana cost. If you don't, create First Mate Ragavan, a legendary 2/1 red Monkey Pirate creature token. It gains haste until end of turn.

Menace Whenever you cast your second spell each turn, you may sacrifice an artifact. If you do, flip a coin. When you win the flip, copy that spell. You may choose new targets for the copy. When you lose the flip, Breeches deals damage equal to that spell's mana value to any target.

Whenever an artifact you control enters, put a +1/+1 counter on target Pirate you control.

Flash When this creature enters, copy target instant or sorcery spell. You may choose new targets for the copy.

Flying Whenever you investigate for the first time each turn, investigate an additional time.

Flying When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you sacrifice an artifact, put a +1/+1 counter on this creature.

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.

Haste Whenever a player casts their second spell each turn, this creature deals 2 damage to target opponent.

Whenever one or more artifacts you control enter, this creature deals that much damage to each opponent.

Whenever you cast your second spell each turn, draw a card.

Flying Whenever you cast your second spell each turn, put a +1/+1 counter on Kraum and draw a card.

Flying Whenever you draw your second card each turn, create a 1/1 blue Faerie creature token with flying.

This spell can't be countered. Flying Whenever you draw a card, Niv-Mizzet deals 1 damage to any target. Whenever a player casts an instant or sorcery spell, you draw a card.

Whenever you cast your second spell each turn, put a +1/+1 counter on this creature. It can't be blocked this turn.

Whenever an artifact you control enters, this creature deals 1 damage to each opponent.

Whenever you cast your first spell each turn, add {R}{R}.

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.

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.

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

Ward {2} At the beginning of each combat, other Clues you control become 6/6 Plant creatures in addition to their other types until end of turn. {2}, Sacrifice this creature: Draw a card.

Flying Whenever you draw a card, create a 1/1 blue and red Insect creature token with flying and haste. {2}{U}{R}: Draw a card, then discard a card. When The Locust God dies, return it to its owner's hand at the beginning of the next end step.

Alliance — Whenever another creature you control enters, this creature deals 1 damage to each opponent.

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

Draw two cards. Then discard a card unless you attacked this turn.

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.

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.)

Gravestorm (When you cast this spell, copy it for each permanent put into a graveyard from the battlefield this turn.) Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Create a 0/3 blue Crab creature token. Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Discover 10. If the discovered card's mana value is less than 10, create a number of tapped Treasure tokens equal to the difference. (To discover 10, exile cards from the top of your library until you exile a nonland card with mana value 10 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.)

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.")

Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Draw three cards.

Kicker {5} (You may pay an additional {5} as you cast this spell.) Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

Draw a card. Scry 2.

Create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.) Draw two cards.

Commander creatures you own have "{2}, Sacrifice an artifact: Put a +1/+1 counter on this creature and draw a card."

Enchant creature As long as enchanted creature is blue, it gets +1/+1 and has shroud. (It can't be the target of spells or abilities.) As long as enchanted creature is red, it gets +1/+1 and has haste.

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

Enchant creature Enchanted creature gets +1/+1 and has "Whenever this creature deals combat damage to a player, investigate." (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I, II — Investigate. III — This Saga deals 1 damage to each opponent. Then if an opponent has 0 or less life, draw seven cards. Otherwise, exile this Saga and you may cast it this turn.

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

As an additional cost to cast this spell, sacrifice an artifact or discard a card. Draw two cards.

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

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Counter target spell. If that spell is countered this way, put it on top of its owner's library instead of into that player's graveyard.

Counter target noncreature spell.

Scry 1. (Look at the top card of your library. You may put that card on the bottom.) Draw a card.

Counter target spell. Untap up to four lands.

Slick Sequence deals 2 damage to any target. If you've cast another spell this turn, draw a card.