Snow-Covered Mountain

{T}: Add {R} to your mana pool.

Snow-Covered Island

{T}: Add {U} to your mana pool.

Prohibit

Kicker {2} (You may pay an additional {2} as you cast this spell.) Counter target spell if its converted mana cost is 2 or less. If Prohibit was kicked, counter that spell if its converted mana cost is 4 or less instead.

Serene Heart

Destroy all local enchantments.

Electrostatic Bolt

Electrostatic Bolt deals 2 damage to target creature. If it's an artifact creature, Electrostatic Bolt deals 4 damage to it instead.

Moment's Peace

Prevent all combat damage that would be dealt this turn. Flashback {2}{G} (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Shimmering Grotto

{T}: Add {1} to your mana pool. {1}, {T}: Add one mana of any color to your mana pool.

False Summoning

Play False Summoning only in response to another player playing a creature. That creature card has no effect, and that player puts it into his or her graveyard.

Forbidden Alchemy

Look at the top four cards of your library. Put one of them into your hand and the rest into your graveyard. Flashback {6}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Urza's Mine

{T}: Add one colorless mana to your mana pool. If you control Urza's Mine, Urza's Tower, and Urza's Power Plant, add two colorless mana to your mana pool instead of one.

Urza's Power Plant

{T}: Add one colorless mana to your mana pool. If you control Urza's Mine, Urza's Tower, and Urza's Power Plant, add two colorless mana to your mana pool instead of one.

Urza's Tower

{T}: Add one colorless mana to your mana pool. If you control Urza's Mine, Urza's Tower, and Urza's Power Plant, add three colorless mana to your mana pool instead of one.

Electrickery

Electrickery deals 1 damage to target creature you don't control. Overload {1}{R} (You may cast this spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each.")

Sea Gate Oracle

When Sea Gate Oracle enters the battlefield, look at the top two cards of your library. Put one of them into your hand and the other on the bottom of your library.

Flame Slash

Flame Slash deals 4 damage to target creature.

Capsize

Buyback {3} (You may pay an additional {3} when you play this spell. If you do, put it into your hand instead of your graveyard as part of the spell's effect.) Return target permanent to owner's hand.

Mnemonic Wall

Defender When Mnemonic Wall enters the battlefield, you may return target instant or sorcery card from your graveyard to your hand.

Mystical Teachings

Search your library for an instant card or a card with flash, reveal it, and put it into your hand. Then shuffle your library. Flashback {5}{B} (You may play this card from your graveyard for its flashback cost. Then remove it from the game.)

Prismatic Lens

{T}: Add {1} to your mana pool. {1}, {T}: Add one mana of any color to your mana pool.

Impulse

Look at the top four cards of your library. Put one of them into your hand and the rest on the bottom of your library. Shuffle your library afterwards.

Expedition Map

{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, and put it into your hand. Then shuffle your library.

Dispel

Rolling Thunder

Mulldrifter

Prophetic Prism

Magma Spray

Pulse of Murasa

Return target creature or land card from a graveyard to its owner's hand. You gain 6 life.

Swiftwater Cliffs

Swiftwater Cliffs enters the battlefield tapped. When Swiftwater Cliffs enters the battlefield, you gain 1 life. {T}: Add {U} or {R}.

Thornwood Falls

Thornwood Falls enters the battlefield tapped. When Thornwood Falls enters the battlefield, you gain 1 life. {T}: Add {G} or {U}.