Forbid

Buyback — Discard two cards from your hand. (You may discard two cards in addition to any other costs as you play this spell. If you do, put Forbid into your hand instead of your graveyard as part of its resolution.) Counter target spell.

Svyelunite Temple

Svyelunite Temple comes into play tapped. {T}: Add {U} to your mana pool. {T}, Sacrifice Svyelunite Temple: Add {U}{U} to your mana pool.

Mox Diamond

When Mox Diamond comes into play, choose and discard a land card or sacrifice Mox Diamond. {T}: Add one mana of any color to your mana pool. Play this ability as a mana source.

Mana Leak

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

Meditate

Skip your next turn: Draw 4 cards.

Propaganda

Each turn, each creature cannot attack you unless its controller pays an additional {2} for that creature.

Intuition

Search your library for any three cards and reveal them to target opponent. He or she chooses one. Put that card into your hand and the rest into your graveyard. Shuffle your library afterwards.

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.

Lotus Petal

Sacrifice Lotus Petal: Add one mana of any color to your mana pool. Play this ability as a mana source.

Scroll Rack

{1}, {T}: Choose any number of cards in your hand and set those cards aside. Put an equal number of cards from the top of your library into your hand. Then put the cards set aside in this way on top of your library in any order.

Chill

All red spells cost an additional {2} to cast.

Mana Vault

Tap to add 3 colorless mana to your mana pool. Mana Vault doesn't untap normally during untap phase; to untap it, you must pay 4 mana. If Mana Vault remains tapped during upkeep it does 1 damage to you. Tapping this artifact can be played as an interrupt.

Counterspell

Counters target spell as it is being cast.

Time Spiral

Remove Time Spiral from the game. Each player shuffles his or her graveyard and hand into his or her library then draws seven cards. You untap up to six lands.

Douse

{1}{U}: Counter target red spell. Play this ability as an interrupt.

Tolarian Academy

{T}: Add {U} to your mana pool for each artifact you control.

Annul

Counter target artifact or enchantment spell.

Stroke of Genius