When Rogue Refiner enters the battlefield, draw a card and you get (two energy counters).

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

: Add .

, : Target creature can't be blocked this turn.

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.

Menace (This creature can't be blocked except by two or more creatures.)

When Rohirrim Lancer dies, the Ring tempts you.

Flying

Landfall — Whenever a land enters the battlefield under your control, you may gain control of target creature for as long as you control Roil Elemental.

Put target creature on top of its owner's library.

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.)

Sacrifice a land. Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

At the beginning of each player's upkeep, Roiling Vortex deals 1 damage to them.

Whenever a player casts a spell, if no mana was spent to cast that spell, Roiling Vortex deals 5 damage to that player.

: Your opponents can't gain life this turn.

Converge — Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell.

Draw a card.

Exchange control of two target permanents that share a permanent type.

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

Lights — 3, 6

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

Lights — 5, 6

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

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.

When Rona, Disciple of Gix enters the battlefield, 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.

Whenever you cast an instant or sorcery spell, each opponent loses 1 life.

You may cast Rona, Sheoldred's Faithful from your graveyard by discarding two cards in addition to paying its other costs.

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

Return target creature or planeswalker you don't control to its owner's hand. If this spell was kicked, put that permanent on the bottom of its owner's library instead.

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

Whenever Ronin Cliffrider attacks, you may have it deal 1 damage to each creature defending player controls.

Equipped creature gets +2/+1.

Whenever a creature enters the battlefield under your control, attach Ronin Warclub to that creature.

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

Ronom Serpent can't attack unless defending player controls a snow land.

When you control no snow lands, sacrifice Ronom Serpent.

: Roofstalker Wight gains flying until end of turn.

Whenever one or more nontoken creatures you control deal combat damage to a player, create a 1/1 black Assassin creature token with menace. (It can't be blocked except by two or more creatures.)

Flying

Whenever Rooftop Saboteurs deals combat damage to a player or battle, draw a card.

Until end of turn, target creature gets +0/+2 and another target creature gets -2/-0.

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

When Roost of Drakes enters the battlefield, if it was kicked, create a 2/2 blue Drake creature token with flying.

Whenever you cast a kicked spell, create a 2/2 blue Drake creature token with flying.

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.

Artifacts and lands enter the battlefield tapped.

This spell can't be countered.

Sliver spells can't be countered.

Whenever Root Spider blocks, it gets +1/+0 and gains first strike until end of turn.

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

: Add or .

: Add one mana of any color.

: Add two mana of any one color. Spend this mana only to cast spells from your graveyard.

, , Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand.

, Return Rootha, Mercurial Artist to its owner's hand: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

When Rooting Moloch enters the battlefield, 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.

: Add .

, : Add one mana of any color.

Enchant creature without flying

When Roots enters the battlefield, tap enchanted creature.

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

Mill three cards, then return a land card or Elf card from your graveyard to your hand. If you can't, draw a card. (To mill a card, put the top card of your library into your graveyard.)

Sacrifice a Forest: Regenerate Rootwater Alligator.

: Add .

: Add or . Rootwater Depths doesn't untap during your next untap step.

: Rootwater Hunter deals 1 damage to any target.

: Look at the top card of target player's library.

: Rootwater Thief gains flying until end of turn.

Whenever Rootwater Thief deals combat damage to a player, you may pay . If you do, search that player's library for a card and exile it, then the player shuffles.

, 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

When Rope Line Attendant enters the battlefield, creature cards in your hand perpetually gain "When this creature enters the battlefield, create a 1/1 green and white Citizen creature token."

Partner with Amy Pond

First strike, lifelink

The Last Centurion — When you cast this spell from anywhere other than exile, exile it with three time counters on it. It gains suspend. Then investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

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.)

Vigilance

When Rosecot Knight enters the battlefield, look at the top six cards of your library. You may reveal an artifact or enchantment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. If you didn't put a card into your hand this way, put a +1/+1 counter on Rosecot Knight.

: Add one mana of any color.