Rejuvenating Springs enters tapped unless you have two or more opponents.

: Add or .

: Relentless Hunter gets +1/+1 and gains trample until end of turn.

When Relic Axe enters, attach it to target creature you control.

Equipped creature gets +1/+1. If it's a Warrior, it gets +2/+1 instead.

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

Relic Golem can't attack or block unless an opponent has eight or more cards in their graveyard.

, : Target player mills two cards. (They put the top two cards of their library into their graveyard.)

: Target player exiles a card from their graveyard.

, Exile Relic of Progenitus: Exile all graveyards. Draw a card.

, , Sacrifice a creature: Draw a card.

As long as you control a Cleric, Relic Vial has "Whenever a creature you control dies, each opponent loses 1 life and you gain 1 life."

Flying

Sacrifice Remorseful Cleric: Exile target player's graveyard.

Remote Isle enters tapped.

: Add .

Cycling (, Discard this card: Draw a card.)

Renegade Map enters tapped.

, Sacrifice Renegade Map: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

: Add . Spend this mana only to cast artifact spells or activate abilities of artifacts.

, : Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle.

Return target artifact, enchantment, or planeswalker card from your graveyard to the battlefield. Create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")

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.

: Add one mana of any color.

At the beginning of your upkeep, put a night counter on Replicating Ring. Then if it has eight or more night counters on it, remove all of them and create eight colorless snow artifact tokens named Replicated Ring with ": Add one mana of any color."

Return target permanent to its owner's hand.

Cycling (, Discard this card: Draw a card.)

When Resilient Khenra enters, you may have target creature get +X/+X until end of turn, where X is Resilient Khenra's power.

Eternalize (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Jackal Wizard with no mana cost. Eternalize only as a sorcery.)

First strike

Discard a card: Resilient Wanderer gains protection from the color of your choice until end of turn.

: Resolute Rider gains lifelink until end of turn.

: Resolute Rider gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Flying

When Resonance Technician enters, you may discard a card. If you do, investigate twice.

, Tap X untapped artifacts you control: Copy target instant or sorcery spell you control with mana value X. You may choose new targets for the copy.

Target player discards a card at random.

Cycling (, Discard this card: Draw a card.)

When you cycle Resounding Scream, target player discards two cards at random.

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.

Whenever a permanent you control leaves the battlefield, if it had counters on it, put those counters on target permanent you control.

: Move any number of counters from target permanent you control to another target permanent you control.

White creatures you control have ": You gain 1 life."

: Restless Apparition gets +3/+3 until end of turn.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

At the beginning of your end step, if you gained life this turn, create a Blood token. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Sacrifice two Blood tokens: Transform Restless Bloodseeker. Activate only as a sorcery.

Restless Cottage enters tapped.

: Add or .

: Restless Cottage becomes a 4/4 black and green Horror creature until end of turn. It's still a land.

Whenever Restless Cottage attacks, create a Food token and exile up to one target card from a graveyard.

Restless Fortress enters tapped.

: Add or .

: Restless Fortress becomes a 1/4 white and black Nightmare creature until end of turn. It's still a land.

Whenever Restless Fortress attacks, defending player loses 2 life and you gain 2 life.

Restless Reef enters tapped.

: Add or .

: Until end of turn, Restless Reef becomes a 4/4 blue and black Shark creature with deathtouch. It's still a land.

Whenever Restless Reef attacks, target player mills four cards.

Restless Spire enters tapped.

: Add or .

: Until end of turn, Restless Spire becomes a 2/1 blue and red Elemental creature with "During your turn, this creature has first strike." It's still a land.

Whenever Restless Spire attacks, scry 1.

Restless Vinestalk enters tapped.

: Add or .

: Until end of turn, Restless Vinestalk becomes a 5/5 green and blue Plant creature with trample. It's still a land.

Whenever Restless Vinestalk attacks, up to one other target creature has base power and toughness 3/3 until end of turn.

Delirium — : Return Resurrected Cultist from your graveyard to the battlefield with a finality counter on it. Activate only if there are four or more card types among cards in your graveyard and only as a sorcery. (If a creature with a finality counter on it would die, exile it instead.)

Until end of turn, creatures you control gain ": Regenerate this creature."

, Remove X +1/+1 counters from among creatures you control: Target creature gets -X/-X until end of turn.

: Retrieval Agent gets +1/-1 until end of turn.

: Untap Retrofitter Foundry.

, : Create a 1/1 colorless Servo artifact creature token.

, , Sacrifice a Servo: Create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice a Thopter: Create a 4/4 colorless Construct artifact creature token.

Defender

: Returned Phalanx can attack this turn as though it didn't have defender.

Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")

At the beginning of your upkeep, if you control ten or more Treasures, you win the game.

: Regenerate Revered Dead.

Return target permanent card from your graveyard to your hand. Create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever this creature blocks,

Augment (, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

You may have Rhox assign its combat damage as though it weren't blocked.

: Regenerate Rhox. (The next time this creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

, : Create a 1/1 green and white Elf Warrior creature token.

, : For each creature token you control, create a token that's a copy of that creature.

: Any player may pay . If no one does, the next time a source of your choice would deal damage to you this turn, prevent that damage.

Flying

: Ribbon Snake loses flying until end of turn. Any player may activate this ability.

When you unlock this door, mill four cards, then return up to two permanent cards from among them to your hand.

(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)

Cycling (, Discard this card: Draw a card.)

: Ridgeline Rager gets +1/+0 until end of turn.

, Remove a time counter from a permanent you control or suspended card you own: Rift Elemental gets +2/+0 until end of turn.

: Add .

As long as Riftstone Portal is in your graveyard, lands you control have ": Add or ."

: Untap another target snow permanent.

: Regenerate Rimebound Dead. ( can be paid with one mana from a snow source.)