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.

Spirebluff Canal

Kari Zev's Expertise

Hazoret the Fervent

Soul-Scar Mage

Abrade

Spellweaver Eternal

Lightning Strike

1R

Admiral's Order

Raid — If you attacked with a creature this turn, you may pay {U} rather than pay this spell's mana cost. Counter target spell.

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}.)