Flying

Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target.

{T}: Draw a card.

Whenever you cast an instant or sorcery spell, Kiln Fiend gets +3/+0 until end of turn.

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

({U/R} can be paid with either {U} or {R}.)

{2}{U}: Copy target instant spell you control with mana value 2 or less. You may choose new targets for the copy.

{2}{R}: Copy target sorcery spell you control with mana value 2 or less. You may choose new targets for the copy.

{T}: Gelectrode deals 1 damage to any target.

Whenever you cast an instant or sorcery spell, you may untap Gelectrode.

Flying

Whenever you cast an instant or sorcery spell, Wee Dragonauts gets +2/+0 until end of turn.

When Steamcore Weird enters the battlefield, if {R} was spent to cast it, it deals 2 damage to any target.

Shrewd Hatchling enters the battlefield with four -1/-1 counters on it.

{U/R}: Target creature can't block Shrewd Hatchling this turn.

Whenever you cast a blue spell, remove a -1/-1 counter from Shrewd Hatchling.

Whenever you cast a red spell, remove a -1/-1 counter from Shrewd Hatchling.

When Ogre Savant enters the battlefield, if {U} was spent to cast it, return target creature to its owner's hand.

At the beginning of your upkeep, you may look at the top card of your library. You may cast it without paying its mana cost if it's an instant or sorcery spell.

When Izzet Chronarch enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

({U/R} can be paid with either {U} or {R}.)

Flying

Each instant and sorcery spell you cast has replicate. The replicate cost is equal to its mana cost. (When you cast it, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

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

Counter target spell unless its controller pays {1}.

Magma Spray deals 2 damage to target creature. If that creature would die this turn, exile it instead.

Imprint — When Isochron Scepter enters the battlefield, you may exile an instant card with mana value 2 or less from your hand.

{2}, {T}: You may copy the exiled card. If you do, you may cast the copy without paying its mana cost.

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

Return target creature to its owner's hand. Its controller draws a card.

Replicate {1}{U} (When you cast this spell, copy it for each time you paid its replicate cost.)

Draw a card.

Replicate {1}{R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Pyromatics deals 1 damage to any target.

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.

Target player shuffles their graveyard into their library.

Replicate {2}{U} (When you cast this spell, copy it for each time you paid its replicate cost.)

Create a 3/3 blue Weird creature token with defender and flying. Exile it at the beginning of the next end step.

Replicate {2}{U} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)

Return target creature to its owner's hand.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Enchant creature

Enchanted creature has "{T}: This creature deals 1 damage to target player or planeswalker. You draw a card."

Prophetic Bolt deals 4 damage to any target. Look at the top four cards of your library. Put one of those cards into your hand and the rest on the bottom of your library in any order.

Counter target creature spell. Draw cards equal to that spell's mana value.

Whenever you cast an instant or sorcery spell, you may put a charge counter on Sphinx-Bone Wand. If you do, Sphinx-Bone Wand deals damage equal to the number of charge counters on it to any target.

Street Spasm deals X damage to target creature without flying you don't control.

Overload {X}{X}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Choose one —

• Draw X cards.

• Invoke the Firemind deals X damage to any target.

Forgotten Cave enters the battlefield tapped.

{T}: Add {R}.

Cycling {R} ({R}, Discard this card: Draw a card.)

Izzet Boilerworks enters the battlefield tapped.

When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand.

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

Lonely Sandbar enters the battlefield tapped.

{T}: Add {U}.

Cycling {U} ({U}, Discard this card: Draw a card.)

{T}: Add {C}.

{2}{U}{R}, {T}: Exile the top card of your library. Until your next turn, you may cast it if it's an instant or sorcery spell.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

Jarad, Golgari Lich Lord gets +1/+1 for each creature card in your graveyard.

{1}{B}{G}, Sacrifice another creature: Each opponent loses life equal to the sacrificed creature's power.

Sacrifice a Swamp and a Forest: Return Jarad from your graveyard to your hand.

{B}, Sacrifice a creature: Target creature gets -1/-1 until end of turn.

{T}: Add {B}. Elves of Deep Shadow deals 1 damage to you.

When Golgari Thug dies, put target creature card from your graveyard on top of your library.

Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)