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

Reckless Abandon deals 4 damage to any target.

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

Reckless Rage deals 4 damage to target creature you don't control and 2 damage to target creature you control.

Choose one —

• You gain 6 life.

• Prevent the next 6 damage that would be dealt to target creature this turn.

Redcap Melee deals 4 damage to target creature or planeswalker. If a nonred permanent is dealt damage this way, you sacrifice a land.

Reduce to Ashes deals 5 damage to target creature. If that creature would die this turn, exile it instead.

If an opponent cast a red instant or sorcery spell this turn, you may pay 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.

Enchant creature (Target a creature as you cast this. This card enters the battlefield attached to that creature.)

: Regenerate enchanted creature. (The next time that creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

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.

Whenever you cast an instant, sorcery, or Wizard spell, put a charge counter on Relic Amulet.

, , Remove all charge counters from Relic Amulet: It deals that much damage to target creature.

Prevent the next 5 damage that would be dealt this turn to any number of targets, divided as you choose.

This spell can't be countered.

Rending Volley deals 4 damage to target white or blue creature.

Repeating Barrage deals 3 damage to any target.

Raid — : 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 (, Discard this card: Draw a card.)

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

Freerunning (You may cast this spell for its freerunning cost if you dealt combat damage to a player this turn with an Assassin or commander.)

Return target creature card from your graveyard to the battlefield.

, : 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.

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

Whenever Rex, Cyber-Hound deals combat damage to a player, they mill two cards and you get (two energy counters).

Pay : Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.

Rex has all activated abilities of all cards in exile with brain counters on them.

Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.)

At the beginning of combat on your turn, the next time target creature would deal combat damage to one or more players this combat, prevent that damage. If damage is prevented this way, create that many 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This creature can't block."

Ribbons of Night deals 4 damage to target creature and you gain 4 life. If was spent to cast this spell, draw a card.

Rift Bolt deals 3 damage to any target.

Suspend 1— (Rather than cast this card from your hand, you may pay 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.)

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

Draw a card.

Equipped creature has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's green.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Choose one —

• Rip Apart deals 3 damage to target creature or planeswalker.

• Destroy target artifact or enchantment.

Target opponent may have Risk Factor deal 4 damage to them. If that player doesn't, you draw three cards.

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Choose one —

• Destroy target nonbasic land.

• Create three 1/1 green Saproling creature tokens.

• Prevent all damage a source of your choice would deal this turn.

Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Roast deals 5 damage to target creature without flying.

Rockslide Ambush deals damage to target creature equal to the number of Mountains you control.

, : Rod of Ruin deals 1 damage to any target.

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

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Destroy target land, then Roiling Terrain deals damage to that land's controller equal to the number of land cards in that player's graveyard.

: Rootwater Hunter deals 1 damage to any target.

+2: During target player's next turn, each creature that player controls attacks if able.

−2: Rowan Kenrith deals 3 damage to each tapped creature target player controls.

−8: Target player gets an emblem with "Whenever you activate an ability that isn't a mana ability, copy it. You may choose new targets for the copy."

Partner with Will Kenrith

Rowan Kenrith can be your commander.

Instant and sorcery spells you cast cost less to cast.

+1: Rowan, Scholar of Sparks deals 1 damage to each opponent. If you've drawn three or more cards this turn, she deals 3 damage to each opponent instead.

−4: You get an emblem with "Whenever you cast an instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy."

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Ruin deals damage to target creature equal to the number of lands you control.

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.

Attacking creatures you control get +1/+0 until end of turn for each other attacking creature.

, : Runebound Wolf deals damage equal to the number of Wolves and Werewolves you control to target opponent.

, : Target attacking creature gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, sacrifice Runesword. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature dealt damage by the targeted creature would die this turn, exile that creature instead.

Whenever Rustmouth Ogre deals combat damage to a player, you may destroy target artifact that player controls.

Whenever Ruxa, Patient Professor enters the battlefield or attacks, return target creature card with no abilities from your graveyard to your hand.

Creatures you control with no abilities get +1/+1.

For each creature you control with no abilities, you may have that creature assign its combat damage as though it weren't blocked.

, : Sacellum Archers deals 2 damage to target attacking or blocking creature.

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

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

+1: Scry 1. Saheeli Rai deals 1 damage to each opponent.

−2: Create a token that's a copy of target artifact or creature you control, except it's an artifact in addition to its other types. That token gains haste. Exile it at the beginning of the next end step.

−7: Search your library for up to three artifact cards with different names, put them onto the battlefield, then shuffle.

, : Prevent the next 4 damage that would be dealt this turn to target creature you control. Tap that creature. It doesn't untap during your next untap step.

Enchant creature

Enchanted creature has ": The next time a source of your choice would deal damage to target creature this turn, prevent that damage."

Domain — : Prevent the next X damage that would be dealt to target creature this turn, where X is the number of basic land types among lands you control.

+1: Up to one target creature gains double strike until end of turn.

−2: Samut, the Tested deals 2 damage divided as you choose among one or two targets.

−7: Search your library for up to two creature and/or planeswalker cards, put them onto the battlefield, then shuffle.

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