Shock

Arc Lightning

Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

Shattering Pulse

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.)
Destroy target artifact.

Mountain

Raging Goblin

Haste (This creature can attack and {T} as soon as it comes under your control.)

Island

Wild Colos

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Whispers of the Muse

Buyback {5} (You may pay an additional {5} as you cast this spell. If you do, put this card into your hand as it resolves.)
Draw a card.

Curfew

Each player returns a creature they control to its owner's hand.

Douse

Mana Leak

Counter target spell unless its controller pays {3}.

Hibernation

Return all green permanents to their owners' hands.

Keldon Champion

Haste
Echo {2}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Keldon Champion enters the battlefield, it deals 3 damage to target player or planeswalker.

Catalog

Mogg Fanatic

Sacrifice Mogg Fanatic: It deals 1 damage to any target.

Goblin War Buggy

Haste
Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Smoldering Crater

Smoldering Crater enters the battlefield tapped.
{T}: Add {R}.
Cycling {2} ({2}, Discard this card: Draw a card.)

Disorder

Disorder deals 2 damage to each white creature and each player who controls a white creature.

Keldon Vandals

Echo {2}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)
When Keldon Vandals enters the battlefield, destroy target artifact.

Thieving Magpie

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever Thieving Magpie deals damage to an opponent, draw a card.

Lightning Blast

Lightning Blast deals 4 damage to any target.

Remote Isle

Remote Isle enters the battlefield tapped.
{T}: Add {U}.
Cycling {2} ({2}, Discard this card: Draw a card.)