Sulfur Falls

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain. {T}: Add {U} or {R} to your mana pool.

Steam Vents

Goblin Electromancer

Izzet Guildgate

Chart a Course

1U

Lightning Strike

1R

Blink of an Eye

Kicker {1}{U} (You may pay an additional {1}{U} as you cast this spell.) Return target nonland permanent to its owner's hand. If this spell was kicked, draw a card.

Shock

Shock deals 2 damage to any target.

Opt

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

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)