Fiery Impulse

Fiery Impulse deals 2 damage to target creature. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, Fiery Impulse deals 3 damage to that creature instead.

Magmatic Insight

As an additional cost to cast Magmatic Insight, discard a land card. Draw two cards.

Send to Sleep

Tap up to two target creatures. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures don't untap during their controllers' next untap steps.

Sphinx's Tutelage

Whenever you draw a card, target opponent puts the top two cards of his or her library into his or her graveyard. If they're both nonland cards that share a color, repeat this process. {5}{U}: Draw a card, then discard a card.

Shivan Reef

{T}: Add {1} to your mana pool. {T}: Add {U} or {R} to your mana pool. Shivan Reef deals 1 damage to you.

Dispel

Chandra, Flamecaller

Kozilek's Return

Oath of Jace

Wandering Fumarole

Drownyard Temple

Fevered Visions

Fiery Temper

Just the Wind

Lightning Axe

Tormenting Voice

Highland Lake

Highland Lake enters the battlefield tapped. {T}: Add {U} or {R}.

Negate

Counter target noncreature spell.

Island

({T}: Add {U}.)

Mountain

({T}: Add {R}.)