Repulse

Return target creature to its owner's hand.
Draw a card.

Counterspell

Skizzik

Kicker {R} (You may pay an additional {R} as you cast this spell.)
Trample, haste
At the beginning of the end step, if Skizzik wasn't kicked, sacrifice it.

Flametongue Kavu

When Flametongue Kavu enters, it deals 4 damage to target creature.

Suffocating Blast

Counter target spell and Suffocating Blast deals 3 damage to target creature.

Island

Ancient Hydra

Fading 5 (This creature enters with five fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)
{1}, Remove a fade counter from Ancient Hydra: It deals 1 damage to any target.

Shock

Jilt

Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.)
Return target creature to its owner's hand. If this spell was kicked, it deals 2 damage to another target creature.

Fire

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

Fire // Ice

Mountain

Unsummon

Return target creature to its owner's hand.

Razorfin Hunter

{T}: Razorfin Hunter deals 1 damage to any target.

Shivan Reef

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