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.

Aether Hub

Glimmer of Genius

Harnessed Lightning

Spirebluff Canal

Torrential Gearhulk

Whirler Virtuoso

Disallow

Censor

Irrigated Farmland

Magma Spray

Chandra's Defeat

Clifftop Retreat

Clifftop Retreat enters the battlefield tapped unless you control a Mountain or a Plains. {T}: Add {R} or {W}.

Syncopate

Counter target spell unless its controller pays {X}. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Essence Scatter

Counter target creature spell.

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)