({R/P} can be paid with either {R} or 2 life.)

Whenever you cast a spell with {P} in its mana cost, Rage Extractor deals damage equal to that spell’s mana value to any target.

Whenever Raging Regisaur attacks, it deals 1 damage to any target.

{W}, {T}: Prevent the next 1 damage that would be dealt to any target this turn.

{U}, {T}: Target creature gains flying until end of turn.

{2}: Prevent the next 1 damage that would be dealt to any target this turn. Return Rakalite to its owner’s hand at the beginning of the next end step.

+1: Look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

−3: Ral, Izzet Viceroy deals damage to target creature equal to the total number of instant and sorcery cards you own in exile and in your graveyard.

−8: You get an emblem with “Whenever you cast an instant or sorcery spell, this emblem deals 4 damage to any target and you draw two cards.”

Ral’s Outburst deals 3 damage to any target. Look at the top two cards of your library. Put one of them into your hand and the other into your graveyard.

+1: Tap target permanent, then untap another target permanent.

−2: Ral Zarek deals 3 damage to any target.

−7: Flip five coins. Take an extra turn after this one for each coin that comes up heads.

Ranger’s Firebrand deals 2 damage to any target. The Ring tempts you.

Flying

Other Demons, Devils, Imps, and Tieflings you control get +1/+1 and have lifelink.

At the beginning of each end step, if a creature card was put into your graveyard from anywhere this turn, create a 1/1 red Devil creature token with “When this creature dies, it deals 1 damage to any target.”

{T}: Add {C}.

{4}, {T}, Sacrifice a land: Rath’s Edge deals 1 damage to any target.

Equipped creature has “{T}, Unattach Razor Boomerang: It deals 1 damage to any target. Return Razor Boomerang to its owner’s hand.”

Equip {2}

{T}: Razorfin Hunter deals 1 damage to any target.

Devoid (This card has no color.)

Reality Hemorrhage deals 2 damage to any target.

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

Flying, haste

When Realm-Scorcher Hellkite enters the battlefield, if it was bargained, add four mana in any combination of colors.

{1}{R}: Realm-Scorcher Hellkite deals 1 damage to any target.

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

Reckless Abandon deals 4 damage to any target.

{1}, Pay 2 life: Reckless Assault deals 1 damage to any target.

{1}{R}: Reckless Embermage deals 1 damage to any target and 1 damage to itself.

Red Sun’s Zenith deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead. Shuffle Red Sun’s Zenith into its owner’s library.

If an opponent cast a red instant or sorcery spell this turn, you may pay {W} rather than pay this spell’s mana cost.

Prevent the next 3 damage that a source of your choice would deal to you and/or permanents you control this turn. If damage is prevented this way, Refraction Trap deals that much damage to any target.

Rekindled Flame deals 4 damage to any target.

At the beginning of your upkeep, if an opponent has no cards in hand, you may return Rekindled Flame from your graveyard to your hand.

Release the Ants deals 1 damage to any target. Clash with an opponent. If you win, return Release the Ants to its owner’s hand. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Repeating Barrage deals 3 damage to any target.

Raid — {3}{R}{R}: Return Repeating Barrage from your graveyard to your hand. Activate only if you attacked this turn.

Resounding Thunder deals 3 damage to any target.

Cycling {5}{B}{R}{G} ({5}{B}{R}{G}, Discard this card: Draw a card.)

When you cycle Resounding Thunder, it deals 6 damage to any target.

{3}, {T}: Retributive Wand deals 1 damage to any target.

When Retributive Wand is put into a graveyard from the battlefield, it deals 5 damage to any target.

{T}: Reveka, Wizard Savant deals 2 damage to any target and doesn’t untap during your next untap step.

Rhystic Lightning deals 4 damage to any target unless that permanent’s controller or that player pays {2}. If they do, Rhystic Lightning deals 2 damage to the permanent or player.

Choose any target. Scry 3, then reveal the top card of your library. Riddle of Lightning deals damage equal to that card’s mana value to that permanent or player.

Rift Bolt deals 3 damage to any target.

Suspend 1—{R} (Rather than cast this card from your hand, you may pay {R} and exile it with a time counter on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Whenever you cast a Dog spell, create a 1/1 green Cat creature token.

Whenever you cast a Cat spell, create a 1/1 white Dog creature token.

{R}{G}{W}, {T}: Rin and Seri, Inseparable deals damage to any target equal to the number of Dogs you control. You gain life equal to the number of Cats you control.

Choose a creature type. Roar of the Crowd deals damage to any target equal to the number of permanents you control of the chosen type.

{2}: Rocket Launcher deals 1 damage to any target. Destroy Rocket Launcher at the beginning of the next end step. Activate only if you’ve controlled Rocket Launcher continuously since the beginning of your most recent turn.

Whenever you cast an instant, sorcery, or Wizard spell, Rockslide Sorcerer deals 1 damage to any target.

{3}, {T}: Rod of Ruin deals 1 damage to any target.

Kicker {5} (You may pay an additional {5} as you cast this spell.)

Roil Eruption deals 3 damage to any target. If this spell was kicked, it deals 5 damage instead.

{T}: Rootwater Hunter deals 1 damage to any target.

Alliance — Whenever another creature enters the battlefield under your control, create a Treasure token if this is the first or second time this ability has resolved this turn. Otherwise, you may pay {X}. When you do, Rose Room Treasurer deals X damage to any target.

Whenever Roxanne, Starfall Savant enters the battlefield or attacks, create a tapped colorless artifact token named Meteorite with “When Meteorite enters the battlefield, it deals 2 damage to any target” and “{T}: Add one mana of any color.”

Whenever you tap an artifact token for mana, add one mana of any type that artifact token produced.

When Ruination Rioter dies, you may have it deal damage to any target equal to the number of land cards in your graveyard.

Whenever you cast a kicked spell, you may have Rumbling Aftershocks deal damage to any target equal to the number of times that spell was kicked.

Sacred Fire deals 2 damage to any target and you gain 2 life.

Flashback {4}{R}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

{T}: Prevent the next 1 damage that would be dealt to any target this turn.

{T}: Samite Archer deals 1 damage to any target.

{T}: Prevent the next 1 damage that would be dealt to any target this turn.

{T}: Prevent the next 2 damage that would be dealt to any target this turn.

Sacrifice Sanctum Guardian: The next time a source of your choice would deal damage to any target this turn, prevent that damage.

Lifelink

Blood Chalice — Whenever another creature you control dies, Sanguinary Priest deals 1 damage to any target.

Sarkhan’s Dragonfire deals 3 damage to any target.

Look at the top five cards of your library. You may reveal a red card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Sarkhan’s Rage deals 5 damage to any target. If you control no Dragons, Sarkhan’s Rage deals 2 damage to you.

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.

Flying (This creature can’t be blocked except by creatures with flying or reach.)

Whenever you activate an ability of a Sarkhan planeswalker, Sarkhan’s Whelp deals 1 damage to any target.

Sauté deals 3½ damage to any target.

Flying

{2}{R}, Sacrifice Scaldkin: It deals 2 damage to any target.

You may exile a white card from your hand rather than pay this spell’s mana cost.

Prevent the next 7 damage that would be dealt to any target this turn. If it’s a creature, put a +0/+1 counter on it for each 1 damage prevented this way at the beginning of the next end step.

Reveal any number of red cards in your hand. Scent of Cinder deals X damage to any target, where X is the number of cards revealed this way.

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

Scorching Lava deals 2 damage to any target. If this spell was kicked, that creature can’t be regenerated this turn and if it would die this turn, exile it instead.

Scorching Spear deals 1 damage to any target.

Flying

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.

{R}: Scourge of Valkas gets +1/+0 until end of turn.

Trample

Bio-Plasmic Scream — Whenever you cast a creature spell with mana value 5 or greater, Screamer-Killer deals 5 damage to any target.

Sacrifice Seal of Fire: It deals 2 damage to any target.

Searing Barb deals 2 damage to any target. If it’s a creature, it can’t block this turn. Incubate 1. (Create an Incubator token with a +1/+1 counter on it and “{2}: Transform this artifact.” It transforms into a 0/0 Phyrexian artifact creature.)

Whenever you gain life, you may pay {2}. If you do, Searing Meditation deals 2 damage to any target.