: Add . Spend this mana only on costs that contain .

When Rosie Cotton of South Lane enters the battlefield, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever you create a token, put a +1/+1 counter on target creature you control other than Rosie.

Rot Farm Skeleton can't block.

, Mill four cards: Return Rot Farm Skeleton from your graveyard to the battlefield. Activate only as a sorcery.

When Rotfeaster Maggot enters the battlefield, exile target creature card from a graveyard. You gain life equal to that card's toughness.

At the beginning of your upkeep, discard a card.

If you control a Swamp, you may pay 2 life rather than pay this spell's mana cost.

Target creature gets +2/+0 until end of turn.

Parley — Each player reveals the top card of their library. For each nonland card revealed this way, you create a 1/1 white Spirit creature token with flying. Then each player draws a card.

Add for each card in target opponent's hand. Until end of turn, you don't lose this mana as steps and phases end. Exile Rousing Refrain with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters 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.)

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."

First strike

As long as you control a Rowan planeswalker, Rowan's Battleguard gets +3/+0.

When Rowan's Stalwarts enters the battlefield, you may search your library and/or graveyard for a card named Rowan, Fearless Sparkmage, reveal it, and put it into your hand. If you search your library this way, shuffle.

This spell costs less to cast for each creature that attacked this turn.

Draw three cards.

Flying

Roxi, Publicist to the Stars's power is equal to the number of permanents you control with an art sticker plus the number of cards in your graveyard with an art sticker.

When Roxi enters the battlefield, distribute up to two art stickers among one or two nonland permanents you own.

, Exile the top card of your library: You gain 1 life.

Whenever Rubblebelt Raiders attacks, put a +1/+1 counter on it for each attacking creature you control.

Haste

Whenever Rubblebelt Rioters attacks, it gets +X/+0 until end of turn, where X is the greatest power among creatures you control.

All Hounds are Dogs. (We'll errata this to be true.)

First strike, lifelink

Underdog — If you've lost a game this match, CARDNAME and other Dogs you control get +1/+1.

Rugged Highlands enters the battlefield tapped.

When Rugged Highlands enters the battlefield, you gain 1 life.

: Add or .

When you cast this spell, you may put a card an opponent owns from exile into that player's graveyard. If you do, you gain 5 life.

Exile target artifact or enchantment. Put X +1/+1 counters on target creature you control, where X is the mana value of the permanent exiled this way.

Destroy target creature or planeswalker.

Awaken 4— (If you cast this spell for , also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

Ruins of Oran-Rief enters the battlefield tapped.

: Add . ( represents colorless mana.)

: Put a +1/+1 counter on target colorless creature that entered the battlefield this turn.

Reach, deathtouch

: Put a +1/+1 counter on Ruins Recluse.

State-based actions don't apply to you or other permanents you control. (You don't lose the game due to having 0 or less life or drawing from an empty library. Your creatures aren't destroyed due to damage or deathtouch and aren't put into a graveyard due to having 0 or less toughness. Your planeswalkers aren't put into a graveyard if they have 0 loyalty. You don't put a legendary permanent into a graveyard if you control two with the same name. Counters aren't removed from your permanents due to game rules. Permanents you control attached or combined illegally remain on the battlefield. For complete rules and regulations, see rule 704.)

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.

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

At the beginning of your upkeep, Rumbling Slum deals 1 damage to each player.

Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin.

Remove three +1/+1 counters from Runaway Steam-Kin: Add .

Other Goblins you control get +1/+1.

Whenever Rundvelt Hordemaster or another Goblin you control dies, exile the top card of your library. If it's a Goblin creature card, you may cast that card until the end of your next turn.

: The next time a land source of your choice would deal damage to you this turn, prevent that damage.

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

Enchant permanent

When Rune of Sustenance enters the battlefield, draw a card.

As long as enchanted permanent is a creature, it has lifelink.

As long as enchanted permanent is an Equipment, it has "Equipped creature has lifelink."

Equipped creature has first strike and gets +X/+0, where X is the number of instant and sorcery cards in your graveyard.

Equip

Equipped creature gets +1/+1 and is every creature type.

Equip

Flying

When Rune-Scarred Demon enters the battlefield, search your library for a card, put it into your hand, then shuffle.

When you have 30 or more life, flip Rune-Tail, Kitsune Ascendant.

Whenever an opponent activates an ability of a creature or land that isn't a mana ability, you may draw a card.

Enchant creature with power 3 or less

When Runner's Bane enters the battlefield, tap enchanted creature.

Enchanted creature doesn't untap during its controller's untap step.

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay .

: Add one mana of any color.

Creatures you control get +2/+1 until end of turn. Warrior creatures you control gain lifelink until end of turn. (Damage dealt by those Warriors also causes their controller to gain that much life.)

Spree (Choose one or more additional costs.)

+ — Target opponent sacrifices half the creatures they control, rounded up.

+ — Target opponent discards half the cards in their hand, rounded up.

+ — Target opponent loses half their life, rounded up.

Draw two cards. Then discard a card at random unless you pay (two energy counters).

Target creature gets +1/+0 and gains lifelink and indestructible until end of turn. (Damage dealt by that creature also causes its controller to gain that much life, and it can't be destroyed by damage or effects that say "destroy.")

Warriors your team controls have haste.

Kicker—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell.)

Return target nonland permanent to its owner's hand. If this spell was kicked, return another target nonland permanent to its owner's hand.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Rushwood Grove enters the battlefield tapped.

: Put a storage counter on Rushwood Grove.

, Remove any number of storage counters from Rushwood Grove: Add for each storage counter removed this way.

If an opponent controls an Island and you control a Forest, you may cast this spell without paying its mana cost.

Counter target activated ability from an artifact source. (Mana abilities can't be targeted.)