Pestilence

At the beginning of the end step, if no creatures are on the battlefield, sacrifice Pestilence.
{B}: Pestilence deals 1 damage to each creature and each player.

Hurricane

Hurricane deals X damage to each creature with flying and each player.

Furnace of Rath

If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Ankh of Mishra

Whenever a land enters, Ankh of Mishra deals 2 damage to that land's controller.

Impatience

At the beginning of each player's end step, if that player didn't cast a spell this turn, Impatience deals 2 damage to that player.

Inferno

Inferno deals 6 damage to each creature and each player.

Fire Tempest

Fire Tempest deals 6 damage to each creature and each player.

Aladdin's Ring

{8}, {T}: Aladdin's Ring deals 4 damage to any target.

Manabarbs

Whenever a player taps a land for mana, Manabarbs deals 1 damage to that player.

Xira Arien

Flying
{B}{R}{G}, {T}: Target player draws a card.

Blaze

Arc Lightning

Arc Lightning deals 3 damage divided as you choose among one, two, or three targets.

Famine

Famine deals 3 damage to each creature and each player.

Dakmor Plague

Dakmor Plague deals 3 damage to each creature and each player.

Final Punishment

Target player loses life equal to the damage already dealt to that player this turn.

Bloodfire Colossus

{R}, Sacrifice Bloodfire Colossus: It deals 6 damage to each creature and each player.

Earthquake

Earthquake deals X damage to each creature without flying and each player.

Cinder Storm

Cinder Storm deals 7 damage to any target.

Flame Wave

Flame Wave deals 4 damage to target player or planeswalker and each creature that player or that planeswalker's controller controls.