Mountain

Goblin Arsonist

When Goblin Arsonist dies, you may have it deal 1 damage to any target.

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.

Burning-Fist Minotaur

First strike
{1}{R}, Discard a card: Burning-Fist Minotaur gets +2/+0 until end of turn.

Demolish

Ruby Medallion

Red spells you cast cost {1} less to cast.

Curse of the Pierced Heart

Enchant player
At the beginning of enchanted player's upkeep, Curse of the Pierced Heart deals 1 damage to that player or a planeswalker that player controls.

Krenko's Command

Create two 1/1 red Goblin creature tokens.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Academy Raider

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.)
Whenever Academy Raider deals combat damage to a player, you may discard a card. If you do, draw a card.

Abrade

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