Shattering Spree

Replicate {R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Destroy target artifact.

Demolish

Stone Rain

Bloodfire Colossus

{R}, Sacrifice Bloodfire Colossus: It deals 6 damage to each creature and each player.

Ball Lightning

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
Haste (This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice this creature.

Outpost Siege

As Outpost Siege enters, choose Khans or Dragons.
• Khans — At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.
• Dragons — Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.

Sensation Gorger

Kinship — At the beginning of your upkeep, you may look at the top card of your library. If it shares a creature type with Sensation Gorger, you may reveal it. If you do, each player discards their hand, then draws four cards.

Act on Impulse

Exile the top three cards of your library. Until end of turn, you may play those cards. (If you cast a spell this way, you still pay its costs. You can play a land this way only if you have an available land play remaining.)

Dragon Whelp

Flying
{R}: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

Enrage

Target creature gets +X/+0 until end of turn.

Mana Clash

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

Firebreathing

Enchant creature
{R}: Enchanted creature gets +1/+0 until end of turn.

Prodigal Pyromancer

{T}: Prodigal Pyromancer deals 1 damage to any target.

Sunrise Sovereign

Other Giant creatures you control get +2/+2 and have trample.

Earthquake

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

Skirk Prospector

Anaba Bodyguard

First strike (This creature deals combat damage before creatures without first strike.)

Pyroclasm

Pyroclasm deals 2 damage to each creature.

Panic Attack

Up to three target creatures can't block this turn.

Dragon's Claw

Whenever a player casts a red spell, you may gain 1 life.

Spark Elemental

Trample, haste (This creature can deal excess combat damage to the player or planeswalker it's attacking. This creature can attack and {T} as soon as it comes under your control.)
At the beginning of the end step, sacrifice Spark Elemental.

Shatterstorm

Destroy all artifacts. They can't be regenerated.

Fireball

This spell costs {1} more to cast for each target beyond the first.
Fireball deals X damage divided evenly, rounded down, among any number of targets.

Iron Star

Whenever a player casts a red spell, you may pay {1}. If you do, you gain 1 life.

Taurean Mauler

Changeling (This card is every creature type.)
Whenever an opponent casts a spell, you may put a +1/+1 counter on this creature.

Fervor

Creatures you control have haste. (They can attack and {T} as soon as they come under your control.)

Mogg Fanatic

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

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Wild Guess

As an additional cost to cast this spell, discard a card.
Draw two cards.

Bearer of the Heavens

When Bearer of the Heavens dies, destroy all permanents at the beginning of the next end step.

Grinning Ignus

{R}, Return Grinning Ignus to its owner's hand: Add {C}{C}{R}. Activate only as a sorcery.

Shatter

Ashling the Pilgrim

{1}{R}: Put a +1/+1 counter on Ashling the Pilgrim. If this is the third time this ability has resolved this turn, remove all +1/+1 counters from Ashling the Pilgrim, and it deals that much damage to each creature and each player.

Shock

Browbeat

Any player may have Browbeat deal 5 damage to them. If no one does, target player draws three cards.

Orgg

Trample
Orgg can't attack if defending player controls an untapped creature with power 3 or greater.
Orgg can't block creatures with power 3 or greater.

Goblin Raider

Raging Goblin

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

Flamebreak

Flamebreak deals 3 damage to each creature without flying and each player. Creatures dealt damage this way can't be regenerated this turn.