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 you control enters, 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, 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 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 tapped unless you control a Mountain or a Forest.

: Add or .

Choose three. You may choose the same mode more than once.

• Put two +1/+1 counters on target creature.

• Create a token that's a copy of target token you control.

• Target player creates a 1/1 green Squirrel creature token.

• Target opponent sacrifices a nontoken artifact of their choice.

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

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

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Tap two untapped creatures you control: Root-Kin Ally gets +2/+2 until end of turn.

Lands you control and land cards in your library are basic.

, Sacrifice Rootrunner: Put target land on top of its owner's library.

Soulshift 3 (When this creature dies, you may return target Spirit card with mana value 3 or less from your graveyard to your hand.)

As Roots of Life enters, choose Island or Swamp.

Whenever a land of the chosen type an opponent controls becomes tapped, you gain 1 life.

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

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

, Sacrifice Rootwater Diver: Return target artifact card from your graveyard to your hand.

: Gain control of target creature for as long as that creature is enchanted.

You may cast Aura spells with enchant creature as though they had flash.

When Rootweaver Druid enters, each opponent may search their library for up to three basic land cards. They each put one of those cards onto the battlefield tapped under your control and the rest onto the battlefield tapped under their control. Then each player who searched their library this way shuffles.

Haste

Survival — At the beginning of your second main phase, if Rootwise Survivor is tapped, put three +1/+1 counters on up to one target land you control. That land becomes a 0/0 Elemental creature in addition to its other types. It gains haste until your next turn.

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, 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.

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.

When Rosheen, Roaring Prophet enters, mill six cards. You may put a card with in its mana cost from among them into your hand.

: Reveal any number of cards with in their mana cost in your hand. Add for each card revealed this way. Spend this mana only on costs that contain .

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.

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.)

Flying

: Roterothopter gets +1/+0 until end of turn. Activate no more than twice each turn.

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.

Exile up to one target card from a graveyard. Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

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

As an additional cost to cast this spell, you may sacrifice any number of nonland permanents. This spell costs less to cast for each permanent sacrificed this way.

Whenever Rottenmouth Viper enters or attacks, put a blight counter on it. Then for each blight counter on it, each opponent loses 4 life unless that player sacrifices a nonland permanent of their choice or discards a card.

Rotting Legion enters tapped.

When Rotting Rats enters, each player discards a card.

Unearth (: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Reach

, Exile a creature card from your graveyard: Create a 1/2 green Spider creature token with reach, then each opponent loses 1 life for each Spider you control.

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.)

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.