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.

Disdainful Stroke

Counter target spell with converted mana cost 4 or greater.

Sacred Foundry

Steam Vents

Fiery Cannonade

2R

Glacial Fortress

Ixalan's Binding

3W

Lightning Strike

1R

Settle the Wreckage

2WW

Clifftop Retreat

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

Seal Away

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

Shivan Fire

Kicker {4} (You may pay an additional {4} as you cast this spell.) Shivan Fire deals 2 damage to target creature. If this spell was kicked, it deals 4 damage to that creature instead.

Nezahal, Primal Tide

Nezahal, Primal Tide can't be countered. You have no maximum hand size. Whenever an opponent casts a noncreature spell, draw a card. Discard three cards: Exile Nezahal. Return it to the battlefield tapped under its owner's control at the beginning of the next end step.

Negate

Counter target noncreature spell.

Essence Scatter

Counter target creature spell.

Plains

({T}: Add {W}.)

Island

({T}: Add {U}.)