Mountain

Brainstorm

Draw three cards, then put two cards from your hand on top of your library in any order.

Draw two cards, then discard two cards.
Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, sacrifice a creature.
Fling deals damage equal to the sacrificed creature's power to any target.

Counter target spell unless its controller pays {1}.

Lava Spike deals 3 damage to target player or planeswalker.

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Counter target instant or sorcery spell unless its controller pays {1}.
Draw a card.

Whenever you cast an instant or sorcery spell, Kiln Fiend gets +3/+0 until end of turn.

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

Lightning Bolt deals 3 damage to any target.

Choose one —
• Counter target red spell.
• Destroy target red permanent.

Haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)