Haste

Protection from Beasts

Morph {2}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{U}, Sacrifice Riptide Chronologist: Untap all creatures of the creature type of your choice.

{2}{U}{U}, {T}: Draw a card for each Wizard you control.

Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect lasts indefinitely.)

Morph {U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Morph {1}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Riptide Survivor is turned face up, discard two cards, then draw three cards.

Flying

Rishadan Airship can block only creatures with flying.

Flying

When Rishadan Brigand enters the battlefield, each opponent sacrifices a permanent unless they pay {3}.

Rishadan Brigand can block only creatures with flying.

When Rishadan Cutpurse enters the battlefield, each opponent sacrifices a permanent unless they pay {1}.

When Rishadan Footpad enters the battlefield, each opponent sacrifices a permanent unless they pay {2}.

Whenever another creature or planeswalker you control dies, put a +1/+1 counter on Rising Populace.

Haste

Whenever Risona, Asari Commander deals combat damage to a player, if it doesn’t have an indestructible counter on it, put an indestructible counter on it.

Whenever combat damage is dealt to you, remove an indestructible counter from Risona.

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.

{T}: Add {B}.

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.

Riveteers Decoy must be blocked if able.

Blitz {3}{G} (If you cast this spell for its blitz cost, it gains haste and “When this creature dies, draw a card.” Sacrifice it at the beginning of the next end step.)

{B}{R}: Target blocking creature gets -1/-1 until end of turn.

{B}{R}: Target player who lost life this turn loses 1 life.

Spectacle {2}{B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.)

When Rix Maadi Reveler enters the battlefield, discard a card, then draw a card. If Rix Maadi Reveler’s spectacle cost was paid, instead discard your hand, then draw three cards.

Flying, trample

When Roalesk, Apex Hybrid enters the battlefield, put two +1/+1 counters on another target creature you control.

When Roalesk dies, proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Flying

Whenever Roalesk, Prime Specimen or another permanent you control is turned face up, you may pay {X}. If you do, if X is 1 or more, conjure a duplicate of a random creature card with mana value X into your hand. Cloak it. It gains “{G/U}: Turn this creature face up” for as long as it remains face down.

Disguise {G}{U}

Vigilance

Robaran Mercenaries has all activated abilities of all legendary creatures you control.

Reach, haste

Whenever Robber of the Rich attacks, if defending player has more cards in hand than you, exile the top card of their library. During any turn you attacked with a Rogue, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

Reach

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

Whenever you cast your first spell each turn, add {R}{R}.

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

Flying

At the beginning of your upkeep, put a wage counter on Rogue Skycaptain. You may pay {2} for each wage counter on it. If you don’t, remove all wage counters from Rogue Skycaptain and an opponent gains control of it.

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.

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

When Rohirrim Lancer dies, the Ring tempts you.

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.

{4}, {T}: Exile the top card of your library.

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

{T}: Draw a card, then discard a card.

{5}{B/P}: Transform Rona. Activate only as a sorcery. ({B/P} can be paid with either {B} 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.

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.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

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.

Haste

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

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 “{2}, Sacrifice this artifact: Draw a card.”)

Ward {2}

Whenever you cast a Doctor spell or creature spell with doctor’s companion, draw a card.

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

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.)

First strike

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

Menace

{T}: Spells you cast this turn that are black and/or red cost {X} less to cast, where X is the amount of life you lost this turn. Activate only as a sorcery.

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.

Trample

When Rowdy Crew enters the battlefield, draw three cards, then discard two cards at random. If two cards that share a card type are discarded this way, put two +1/+1 counters on Rowdy Crew.

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.

{T}: Destroy target tapped creature.

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

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

When Rubblebelt Maverick enters the battlefield, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

{G}, Exile Rubblebelt Maverick from your graveyard: Put a +1/+1 counter on target creature. Activate only as a sorcery.

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.

Reach

When you attack with three or more creatures, conjure a card named Mox Ruby into your hand. This ability triggers only once.

{1}{R}: Creatures you control get +1/+0 until end of turn.

Haste

Whenever Ruby, Daring Tracker attacks while you control a creature with power 4 or greater, Ruby gets +2/+2 until end of turn.

{T}: Add {R} or {G}.

When Ruination Rioter dies, you may have it deal damage to any target equal to the number of land cards in your graveyard.

As Rukarumel, Biologist enters the battlefield, choose a creature type.

Slivers you control and nontoken creatures you control are the chosen type in addition to their other creature types. The same is true for creature spells you control and creature cards you own that aren’t on the battlefield.

{3}, {T}: Create a 1/1 colorless Sliver creature token.

{2}{U}: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.)

When Rune-Brand Juggler enters the battlefield, suspect up to one target creature you control. (A suspected creature has menace and can’t block.)

{3}{B}{R}, Sacrifice a suspected creature: Target creature gets -5/-5 until end of turn.

Training (Whenever this creature attacks with another creature with greater power, put a +1/+1 counter on this creature.)

When Rural Recruit enters the battlefield, create a 3/1 green Boar creature token.

{G}, {T}, Discard a card: Regenerate target creature.

When Rusko, Clockmaker enters the battlefield, conjure a card named Midnight Clock onto the battlefield.

Whenever you cast a noncreature spell, put an hour counter on each permanent you control named Midnight Clock. Each opponent loses 1 life and you gain 1 life.

Deathtouch

Morph—Reveal a black card in your hand. (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

When Ruthless Ripper is turned face up, target player loses 2 life.