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.

Sacred Foundry

Steam Vents

Meandering River

Glacial Fortress

Settle the Wreckage

2WW

Seal Away

Flash When Seal Away enters the battlefield, exile target tapped creature an opponent controls until Seal Away leaves the battlefield.

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.

Negate

Counter target noncreature spell.

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)