Whenever a creature you control is dealt damage, put a +1/+1 counter on it. (It must survive the damage to get the counter.)

Creatures named Lightning Rager can't attack you or planeswalkers you control.

At the beginning of each player's upkeep, that player creates a 5/1 red Elemental creature token named Lightning Rager. It has trample, haste, and "At the beginning of the end step, sacrifice this creature."

At the beginning of each player's draw step, that player draws an additional card.

Each player may play an additional land on each of their turns.

Discard any number of cards. Search your library for up to that many basic land cards, reveal them, put them into your hand, then shuffle.

Coven — At the beginning of combat on your turn, if you control three or more creatures with different powers, Ritual Guardian gains lifelink until end of turn.

Meet in Reverse — You draw cards from the bottom of your library rather than the top.

Spoilers — Whenever an opponent scries, surveils, or searches their library, put a +1/+1 counter on River Song. Then River Song deals damage to that player equal to its power.

: Add .

When Riverwise Augur enters, draw three cards, then put two cards from your hand on top of your library in any order.

: Target blocking creature gets -1/-1 until end of turn.

: Target player who lost life this turn loses 1 life.

Flying

When Roaming Ghostlight enters, return up to one target non-Spirit creature to its owner's hand.

All creatures able to block target creature this turn do so.

Ferocious — That creature gains indestructible until end of turn if you control a creature with power 4 or greater.

When you unlock this door, this Room deals damage equal to the number of cards in your hand to target creature an opponent controls.

(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.)

Whenever Roaring Slagwurm attacks, tap all artifacts.

Whenever equipped creature deals combat damage to a player, you draw that many cards.

Equip

Equip Shaman, Warlock, or Wizard

Defender (This creature can't attack.)

When Roc Egg dies, create a 3/3 white Bird creature token with flying.

Flying

Super haste (This may attack the turn before you cast it. (You may put this card from your hand onto the battlefield tapped and attacking during your declare attackers step. If you do, you lose the game at the beginning of your next turn's end step unless you pay this card's mana cost during that turn.))

, : Rod of Spanking deals 1 damage to target player. Then untap Rod of Spanking unless that player says "Thank you, sir. May I have another?"

Reveal any number of green cards in your hand. Return an enchantment card from your graveyard to your hand for each card revealed this way.

(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.

Whenever Rogue Kavu attacks alone, it gets +2/+0 until end of turn.

Flying

At the beginning of your upkeep, put a wage counter on Rogue Skycaptain. You may pay for each wage counter on it. If you don't, remove all wage counters from Rogue Skycaptain and an opponent gains control of it.

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.)

At the beginning of your upkeep, you may pay . If you don't, tap Rohgahh of Kher Keep and all creatures named Kobolds of Kher Keep, then an opponent gains control of them.

Creatures you control named Kobolds of Kher Keep get +2/+2.

You may exert Rohirrim Chargers as it attacks. (It won't untap during your next untap step.)

Whenever you exert a creature, reveal cards from the top of your library until you reveal an Equipment card. Put that card onto the battlefield attached to that creature, then put the rest on the bottom of your library in a random order.

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.

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Destroy target land. If was spent to cast this spell, all creatures get -1/-1 until end of turn.

Rolling Temblor deals 2 damage to each creature without flying.

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

When Rona, Disciple of Gix enters, you may exile target historic card from your graveyard. (Artifacts, legendaries, and Sagas are historic.)

You may cast spells from among cards exiled with Rona.

, : Exile the top card of your library.

Mercenaries don't untap during their controllers' untap steps.

Rootbound Crag enters tapped unless you control a Mountain or a Forest.

: Add or .

When Rooting Kavu dies, you may exile it. If you do, shuffle all creature cards from your graveyard into your library.

Sacrifice a Forest: Regenerate Rootwater Alligator.

Flying, haste

Other creatures you control are Assassins in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

Face-down creatures you control have menace.

Whenever a permanent you control is turned face up, you draw a card and you lose 1 life.

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

Heroic — Whenever you cast a spell that targets Rosnakht, Heir of Rohgahh, create a 0/1 red Kobold creature token named Kobolds of Kher Keep.

When Rotcrown Ghoul dies, target player mills five cards.

Whenever Rotlung Reanimator or another Cleric dies, create a 2/2 black Zombie creature token.

Exploit (When this creature enters, you may sacrifice a creature.)

When Rot-Tide Gargantua exploits a creature, each opponent sacrifices a creature of their choice.

Whenever Rotting Giant attacks or blocks, sacrifice it unless you exile a card from your graveyard.

At the beginning of your upkeep, discard a card.

Trample

Whenever you expend 4, target creature you control gets +1/+1 and gains trample until end of turn. (You expend 4 as you spend your fourth total mana to cast spells during a 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.)

Defender

: Roving Keep gets +2/+0 and gains trample until end of turn. It can attack this turn as though it didn't have defender.

First strike

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