Red Dragon

Flying
Fire Breath — When Red Dragon enters, it deals 4 damage to each opponent.

Jaws of Stone

Jaws of Stone deals X damage divided as you choose among any number of targets, where X is the number of Mountains you control as you cast this spell.

Burning Prophet

Whenever you cast a noncreature spell, Burning Prophet gets +1/+0 until end of turn, then scry 1.

Mountain

Thrill of Possibility

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

Chandra's Pyreling

Whenever a source you control deals noncombat damage to an opponent, Chandra's Pyreling gets +1/+0 and gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Reckless Barbarian

Sacrifice Reckless Barbarian: Add {R}{R}.

Reckless Impulse

Exile the top two cards of your library. Until the end of your next turn, you may play those cards.

Tectonic Giant

Whenever Tectonic Giant attacks or becomes the target of a spell an opponent controls, choose one —
• Tectonic Giant deals 3 damage to each opponent.
• Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.

Ardent Elementalist

When Ardent Elementalist enters, return target instant or sorcery card from your graveyard to your hand.

Fissure Wizard

When Fissure Wizard enters, you may discard a card. If you do, draw a card.

Slaying Fire

Slaying Fire deals 3 damage to any target.
Adamant — If at least three red mana was spent to cast this spell, it deals 4 damage instead.

Kindle

Kindle deals X damage to any target, where X is 2 plus the number of cards named Kindle in all graveyards.

Magmatic Insight

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

Fire Servant

If a red instant or sorcery spell you control would deal damage, it deals double that damage instead.

Lightning Strike

Lightning Strike deals 3 damage to any target.

Spear Spewer

Defender
{T}: Spear Spewer deals 1 damage to each player.

Twinferno

Choose one —
• When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.
• Target creature you control gains double strike until end of turn. (It deals both first-strike and regular combat damage.)

Meteor Blast

Meteor Blast deals 4 damage to each of X targets.

Chandra's Spitfire

Flying
Whenever an opponent is dealt noncombat damage, Chandra's Spitfire gets +3/+0 until end of turn.