Mountain

Burn Bright

Creatures you control get +2/+0 until end of turn.

Giant Growth

Target creature gets +3/+3 until end of turn.

Colossal Might

Target creature gets +4/+2 and gains trample until end of turn.

Novice Inspector

When this creature enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

Titanic Growth

Target creature gets +4/+4 until end of turn.

Ghitu Lavarunner

As long as there are two or more instant and/or sorcery cards in your graveyard, this creature gets +1/+0 and has haste. (It can attack and {T} as soon as it comes under your control.)

Kessig Flamebreather

Whenever you cast a noncreature spell, this creature deals 1 damage to each opponent.

Forest

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Voldaren Epicure

When this creature enters, it deals 1 damage to each opponent. Create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

Lightning Strike

Lightning Strike deals 3 damage to any target.

Thraben Inspector

Viashino Pyromancer

When this creature enters, it deals 2 damage to target player or planeswalker.

Firebolt

Firebolt deals 2 damage to any target.
Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)