Izzet Guildgate

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

Mountain

Blind Seer

{1}{U}: Target spell or permanent becomes the color of your choice until end of turn.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Blustersquall

Tap target creature you don't control.
Overload {3}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Swerve

Change the target of target spell with a single target.

Inkwell Leviathan

Trample
Islandwalk (This creature can't be blocked as long as defending player controls an Island.)
Shroud (This creature can't be the target of spells or abilities.)

Red Elemental Blast

Choose one —
• Counter target blue spell.
• Destroy target blue permanent.

Izzet Boilerworks

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

Razorfin Hunter

{T}: Razorfin Hunter deals 1 damage to any target.

Izzet Signet

Blue Elemental Blast

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Distorting Lens

{T}: Target permanent becomes the color of your choice until end of turn.

Pyroblast

Choose one —
• Counter target spell if it's blue.
• Destroy target permanent if it's blue.

Gelectrode

{T}: Gelectrode deals 1 damage to any target.
Whenever you cast an instant or sorcery spell, you may untap Gelectrode.

Prophetic Bolt

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.

Tidal Visionary

{T}: Target creature becomes the color of your choice until end of turn.

Sulfur Falls

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

Island

Pyromancer Ascension

Whenever you cast an instant or sorcery spell that has the same name as a card in your graveyard, you may put a quest counter on Pyromancer Ascension.
Whenever you cast an instant or sorcery spell while Pyromancer Ascension has two or more quest counters on it, you may copy that spell. You may choose new targets for the copy.

Hydroblast

Choose one —
• Counter target spell if it's red.
• Destroy target permanent if it's red.