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

Madness {X}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Avacyn's Judgment deals 2 damage divided as you choose among any number of targets. If this spell's madness cost was paid, it deals X damage divided as you choose among those permanents and/or players instead.

Banefire deals X damage to any target.

If X is 5 or more, this spell can't be countered and the damage can't be prevented.

Whenever a creature you control deals combat damage to a player, you may draw a card.

{1}{U}, {T}: Creatures your opponents control attack this turn if able.

When Burning Sun's Avatar enters the battlefield, it deals 3 damage to target opponent or planeswalker and 3 damage to up to one target creature.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Target creature you control deals damage equal to its power to each other creature and each opponent.

+1: Exile the top card of your library. You may cast that card. If you don't, Chandra, Torch of Defiance deals 2 damage to each opponent.

+1: Add {R}{R}.

-3: Chandra, Torch of Defiance deals 4 damage to target creature.

-7: You get an emblem with "Whenever you cast a spell, this emblem deals 5 damage to any target."

Multikicker {1} (You may pay an additional {1} any number of times as you cast this spell.)

Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.

Creatures you control gain trample until end of turn. (A creature with trample can deal excess combat damage to the player or planeswalker it's attacking.)

Draw a card.

Flying

Whenever Crosis, the Purger deals combat damage to a player, you may pay {2}{B}. If you do, choose a color, then that player reveals their hand and discards all cards of that color.

Flying, first strike

Whenever Drana, Liberator of Malakir deals combat damage to a player, put a +1/+1 counter on each attacking creature you control.

Surge {X}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)

Fall of the Titans deals X damage to each of up to two targets.

When Fanatic of Mogis enters the battlefield, it deals damage to each opponent equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.)

Fateful Showdown deals damage to any target equal to the number of cards in your hand. Discard all the cards in your hand, then draw that many cards.

Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.

As an additional cost to cast this spell, sacrifice a creature.

Fling deals damage equal to the sacrificed creature's power to any target.

When Forerunner of the Empire enters the battlefield, you may search your library for a Dinosaur card, reveal it, then shuffle and put that card on top.

Whenever a Dinosaur enters the battlefield under your control, you may have Forerunner of the Empire deal 1 damage to each creature.

Haste

Whenever you discard a card, Glint-Horn Buccaneer deals 1 damage to each opponent.

{1}{R}, Discard a card: Draw a card. Activate only if Glint-Horn Buccaneer is attacking.

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Whenever a creature enters the battlefield under your control, Impact Tremors deals 1 damage to each opponent.

(You may cast a legendary sorcery only if you control a legendary creature or planeswalker.)

Jaya's Immolating Inferno deals X damage to each of up to three targets.

Lightning Bolt deals 3 damage to any target.

Whenever an opponent discards a card, Megrim deals 2 damage to that player.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

At the beginning of your upkeep, put a -1/-1 counter on each nonblack creature.

Whenever a nontoken creature you control dies, Midnight Reaper deals 1 damage to you and you draw a card.

Indestructible

As long as your devotion to black and red is less than seven, Mogis isn't a creature.

At the beginning of each opponent's upkeep, Mogis deals 2 damage to that player unless they sacrifice a creature.

Kicker {R} (You may pay an additional {R} as you cast this spell.)

If this spell was kicked, it has split second. (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Molten Disaster deals X damage to each creature without flying and each player.

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Whenever a creature an opponent controls with a -1/-1 counter on it dies, you may return that card to the battlefield under your control.

Trample

Whenever Neheb, Dreadhorde Champion deals combat damage to a player or planeswalker, you may discard any number of cards. If you do, draw that many cards and add that much {R}. Until end of turn, you don't lose this mana as steps and phases end.

Flying

At the beginning of your upkeep, sacrifice Nicol Bolas unless you pay {U}{B}{R}.

Whenever Nicol Bolas deals damage to an opponent, that player discards their hand.

+2: Target opponent exiles cards from the top of their library until they exile a nonland card. Until end of turn, you may cast that card without paying its mana cost.

+1: Each opponent exiles two cards from their hand.

-4: Nicol Bolas, God-Pharaoh deals 7 damage to target opponent, creature an opponent controls, or planeswalker an opponent controls.

-12: Exile each nonland permanent your opponents control.

+3: Destroy target noncreature permanent.

-2: Gain control of target creature.

-9: Nicol Bolas, Planeswalker deals 7 damage to target player or planeswalker. That player or that planeswalker's controller discards seven cards, then sacrifices seven permanents.

Flying

When Nicol Bolas, the Ravager enters the battlefield, each opponent discards a card.

{4}{U}{B}{R}: Exile Nicol Bolas, the Ravager, then return him to the battlefield transformed under his owner's control. Activate only as a sorcery.

+2: Draw two cards.

-3: Nicol Bolas, the Arisen deals 10 damage to target creature or planeswalker.

-4: Put target creature or planeswalker card from a graveyard onto the battlefield under your control.

-12: Exile all but the bottom card of target player's library.

Flying

{1}{R}: Olivia Voldaren deals 1 damage to another target creature. That creature becomes a Vampire in addition to its other types. Put a +1/+1 counter on Olivia Voldaren.

{3}{B}{B}: Gain control of target Vampire for as long as you control Olivia Voldaren.

As Outpost Siege enters the battlefield, choose Khans or Dragons.

• Khans -- At the beginning of your upkeep, exile the top card of your library. Until end of turn, you may play that card.

• Dragons -- Whenever a creature you control leaves the battlefield, Outpost Siege deals 1 damage to any target.

Flying

{B}: Pestilence Demon deals 1 damage to each creature and each player.

When Pia and Kiran Nalaar enters the battlefield, create two 1/1 colorless Thopter artifact creature tokens with flying.

{2}{R}, Sacrifice an artifact: Pia and Kiran Nalaar deals 2 damage to any target.

Whenever an artifact enters the battlefield under your control, Reckless Fireweaver deals 1 damage to each opponent.

Rile deals 1 damage to target creature you control. That creature gains trample until end of turn.

Draw a card.

Whenever you cast a creature spell with power 4, 5, or 6, Sarkhan's Unsealing deals 4 damage to any target.

Whenever you cast a creature spell with power 7 or greater, Sarkhan's Unsealing deals 4 damage to each opponent and each creature and planeswalker they control.

Whenever a Merfolk you control deals combat damage to a player, draw a card.

Flying

Whenever an artifact creature you control deals combat damage to a player, you may create a 1/1 blue Thopter artifact creature token with flying.

Shock deals 2 damage to any target.

Enrage -- Whenever Silverclad Ferocidons is dealt damage, each opponent sacrifices a permanent.

Haste

Whenever another creature you control dies, it deals damage equal to its power to target player or planeswalker.

Starstorm deals X damage to each creature.

Cycling {3} ({3}, Discard this card: Draw a card.)

Attacking creatures you control have first strike.

Whenever a Vampire you control deals combat damage to a player, put a +1/+1 counter on it.

Madness {2}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Trample

Whenever Stromkirk Occultist deals combat damage to a player, exile the top card of your library. Until end of turn, you may play that card.

Madness {1}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

At the beginning of each player's upkeep, Sulfuric Vortex deals 2 damage to that player.

If a player would gain life, that player gains no life instead.

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.

{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

{T}: Add {C}.

{T}: Add {B} or {R}. Talisman of Indulgence deals 1 damage to you.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Tandem Lookout is paired with another creature, each of those creatures has "Whenever this creature deals damage to an opponent, draw a card."

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Thada Adel, Acquisitor deals combat damage to a player, search that player's library for an artifact card and exile it. Then that player shuffles. Until end of turn, you may play that card.

At the beginning of your upkeep, if you control an artifact, create a 1/1 colorless Thopter artifact creature token with flying.

Whenever one or more artifact creatures you control deal combat damage to a player, draw a card.

If a red source you control would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead.

Destroy target creature. If you control an artifact, Unlicensed Disintegration deals 3 damage to that creature's controller.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Whenever another creature you control dies, Vindictive Vampire deals 1 damage to each opponent and you gain 1 life.

Whenever a creature enters the battlefield under your control, it deals damage equal to its power to any target.