Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

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 in any order.

Nivix Cyclops

Defender
Whenever you cast an instant or sorcery spell, Nivix Cyclops gets +3/+0 until end of turn and can attack this turn as though it didn't have defender.

Counterspell

Swiftwater Cliffs

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {U} or {R}.

Deep Analysis

Target player draws two cards.
Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mountain

Tolarian Terror

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.
Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Molten Tributary

({T}: Add {U} or {R}.)
Molten Tributary enters tapped.

Smash to Dust

Choose one —
• Destroy target artifact.
• Destroy target creature with defender.
• Smash to Dust deals 1 damage to each creature your opponents control.

Consider

Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Draw a card.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Snap

Return target creature to its owner's hand. Untap up to two lands.

Cancel

Negate

Shock

Thought Scour

Target player mills two cards.
Draw a card.

Fire

Fire deals 2 damage divided as you choose among one or two targets.

Fire // Ice

Abrade

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Essence Scatter

Molten Monstrosity

This spell costs {X} less to cast, where X is the greatest power among creatures you control.
Trample

Scry 1. (Look at the top card of your library. You may put that card on the bottom.)
Draw a card.

Cryptic Serpent

This spell costs {1} less to cast for each instant and sorcery card in your graveyard.