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.

Monastery Swiftspear

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Young Pyromancer

Whenever you cast an instant or sorcery spell, put a 1/1 red Elemental creature token onto the battlefield.

Hallowed Moonlight

Until end of turn, if a creature would enter the battlefield and it wasn't cast, exile it instead.Draw a card.

Lava Spike

Lava Spike deals 3 damage to target player.

Vapor Snag

Return target creature to its owner's hand. Its controller loses 1 life.

Spellskite

{U/P}: Change a target of target spell or ability to Spellskite. ({U/P} can be paid with either {U} or 2 life.)

Torpor Orb

Creatures entering the battlefield don't cause abilities to trigger.

Serum Visions

Draw a card. Scry 2 (Look at the top two cards of your library. Put any number of them on the bottom of your library and the rest on top of it in any order.)

Remand

Counter target spell. If you do, return that spell card to its owner's hand. Draw a card.

Manamorphose

Add two mana in any combination of colors to your mana pool. Draw a card.

Lightning Helix

Lightning Helix deals 3 damage to target creature or player and you gain 3 life.

Mana Leak

Counter target spell unless its caster pays an additional {3}.

Pithing Needle

As Pithing Needle comes into play, name a card. Activated abilities of sources with the chosen name can't be played unless they're mana abilities.

Rift Bolt

Rift Bolt deals 3 damage to target creature or player. Suspend 1—{R} (Rather than play this card from your hand, you may pay {R} and remove it from the game with a time counter on it. At the beginning of your upkeep, remove a time counter. When the last is removed, play it without paying its mana cost.)

Lightning Bolt

Lightning Bolt does 3 damage to one target.

Path to Exile

Exile target creature. Its controller may search his or her library for a basic land card, put that card onto the battlefield tapped, then shuffle his or her library.

Flooded Strand

Sacred Foundry

Steam Vents

Glacial Fortress

Hallowed Fountain

({T}: Add {W} or {U}.) As Hallowed Fountain enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

Grafdigger's Cage

Creature cards in graveyards and libraries can't enter the battlefield. Players can't cast spells from graveyards or libraries.

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)