Blaze

Mountain

Gauntlet of Might

Red creatures get +1/+1.
Whenever a Mountain is tapped for mana, its controller adds an additional {R}.

Flare

Flare deals 1 damage to any target.
Draw a card at the beginning of the next turn's upkeep.

Stone Rain

Cinder Elemental

{X}{R}, {T}, Sacrifice Cinder Elemental: It deals X damage to any target.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Shock Troops

Sacrifice Shock Troops: It deals 2 damage to any target.

Extraplanar Lens

Imprint — When Extraplanar Lens enters, you may exile target land you control.
Whenever a land with the same name as the exiled card is tapped for mana, its controller adds one mana of any type that land produced.

Disintegrate

Disintegrate deals X damage to any target. If it's a creature, it can't be regenerated this turn, and if it would die this turn, exile it instead.

Howling Mine

At the beginning of each player's draw step, if Howling Mine is untapped, that player draws an additional card.

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.

Lightning Blast

Lightning Blast deals 4 damage to any target.

Blood Oath

Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way. (Artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery are card types.)

Zap deals 1 damage to any target.
Draw a card.

Shock

Lava Axe

Lava Axe deals 5 damage to target player or planeswalker.

Sudden Impact

Sudden Impact deals damage to target player equal to the number of cards in that player's hand.