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

: Add for each Forest you control.

(Gain the next level as a sorcery to add its ability.)

Whenever a creature you control deals combat damage to a player, exile the top card of that player's library face down. You may look at it for as long as it remains exiled.

: Level 2

//Level_2//

Creatures you control have menace.

: Level 3

//Level_3//

You may play cards exiled with Rogue Class, and you may spend mana as though it were mana of any color to cast those spells.

For each color, return up to one target creature card of that color from your graveyard to your hand.

Other Kobolds you control get +2/+2.

Whenever you cast a Kobold spell, you may pay . If you do, create a 4/4 red Dragon creature token with flying.

Whenever you cast a Dragon spell, create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

Landfall — Whenever a land you control enters, you get (an energy counter).

, Pay six : Draw three cards.

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

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

Roiling Horror's power and toughness are each equal to your life total minus the life total of an opponent with the most life.

Suspend X—. X can't be 0. (Rather than cast this card from your hand, you may pay and exile it with X 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. It has haste.)

Whenever a time counter is removed from Roiling Horror while it's exiled, target player loses 1 life and you gain 1 life.

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.

Return up to two target creatures your opponents control to their owners' hands. Target player draws two cards.

Roil's Retribution deals 5 damage divided as you choose among any number of target attacking or blocking creatures.

Visit — Creatures you control get +2/+0 until end of turn.

Lights — 2, 6

Visit — Creatures you control get +2/+0 until end of turn.

Lights — 4, 6

All creatures get +2/-2 until end of turn.

Rolling Hamsphere gets +1/+1 for each Hamster you control.

Whenever Rolling Hamsphere attacks, create three 1/1 red Hamster creature tokens, then it deals X damage to any target, where X is the number of Hamsters you control.

Crew 3

Wall creatures can attack as though they didn't have defender.

Rolling Thunder deals X damage divided as you choose among any number of targets.

Whenever you cast a legendary spell, untap Rona, Herald of Invasion.

: Draw a card, then discard a card.

: Transform Rona. Activate only as a sorcery. ( can be paid with either or 2 life.)

Trample

Whenever a source deals damage to Rona, Tolarian Obliterator, that source's controller exiles a card from their hand at random. If it's a land card, you may put it onto the battlefield under your control. Otherwise, you may cast it without paying its mana cost.

Equipped creature gets +2/+1.

Whenever a creature you control enters, attach Ronin Warclub to that creature.

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

: Roofstalker Wight gains flying until end of turn.

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

When Root Elemental is turned face up, you may put a creature card from your hand onto the battlefield.

This spell can't be countered.

Sliver spells can't be countered.

Destroy target noncreature permanent. If you control a Treefolk, draw a card.

When Rooting Moloch enters, exile target card with a cycling ability from your graveyard. Until the end of your next turn, you may play that card.

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

When Rootless Yew dies, search your library for a creature card with power or toughness 6 or greater, reveal it, put it into your hand, then shuffle.

: Rootwalla gets +2/+2 until end of turn. Activate only once each turn.

, Sacrifice Rootwire Amalgam: Create an X/X colorless Golem artifact creature token, where X is three times Rootwire Amalgam's power. It gains haste until end of turn. Activate only as a sorcery.

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

2/3

Flying, haste

Rose Tyler gets +1/+1 for each time counter on it.

Bad Wolf — Whenever Rose Tyler attacks, put a time counter on it for each suspended card you own and each other permanent you control with a time counter on it.

Doctor's companion (You can have two commanders if the other is the Doctor.)

When Rosethorn Halberd enters, attach it to target non-Human creature you control.

Equipped creature gets +2/+1.

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

Rot Farm Skeleton can't block.

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

Whenever another creature you control dies, put a +1/+1 counter on Rot Shambler.

Rotating Fireplace enters tapped with a time counter on it.

: Add an amount of equal to the number of time counters on Rotating Fireplace.

, : Time travel. Activate only as a sorcery. (For each suspended card you own and each permanent you control with a time counter on it, you may add or remove a time counter.)

Menace

Whenever Rotisserie Elemental deals combat damage to a player, put a skewer counter on Rotisserie Elemental. Then you may sacrifice it. If you do, exile the top X cards of your library, where X is the number of skewer counters on Rotisserie Elemental. You may play those cards this turn.

Rotting Legion enters tapped.

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.

+1: Up to one target creature gets +3/+0 and gains first strike until end of turn.

−2: Rowan, Fearless Sparkmage deals 1 damage to each of up to two target creatures. Those creatures can't block this turn.

−9: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.

First strike

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

Enchant planeswalker

Enchanted planeswalker has "+1: Up to one target creature gets +2/+0 and gains first strike and trample until end of turn."

Whenever you activate a loyalty ability of enchanted planeswalker, copy that ability. You may choose new targets for the copy.

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, distribute up to two art stickers among one or two nonland permanents you own.

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Whenever a Swamp, Mountain, black permanent, or red permanent becomes tapped, Royal Decree deals 1 damage to that permanent's controller.

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

Whenever Royal Trooper blocks, it gets +2/+2 until end of turn.

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

Up to three target lands don't untap during their controller's next untap step.

Reach

When Rubblebelt Boar enters, target creature gets +2/+0 until end of turn.

Bloodrush — , Discard Rubblebelt Maaka: Target attacking creature gets +3/+3 until end of turn.

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