At the beginning of each upkeep, if no spells were cast last turn, transform Reckless Waif.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Merciless Predator.

Haste (This creature can attack and {T} as soon as it comes under your control.)

When Reclusive Artificer enters the battlefield, you may have it deal damage to target creature equal to the number of artifacts you control.

Reclusive Taxidermist gets +3/+2 as long as there are four or more creature cards in your graveyard.

{T}: Add one mana of any color.

When Recruiter of the Guard enters the battlefield, you may search your library for a creature card with toughness 2 or less, reveal it, put it into your hand, then shuffle.

{3}{W}: Look at the top four cards of your library. You may reveal a creature card with mana value 3 or less from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Red Cliffs Armada can’t attack unless defending player controls an Island.

When Reflector Mage enters the battlefield, return target creature an opponent controls to its owner’s hand. That creature’s owner can’t cast spells with the same name as that creature until your next turn.

Haste

At the beginning of your end step, return Reinforced Ronin to its owner’s hand.

Channel — {1}{R}, Discard Reinforced Ronin: Draw a card.

Whenever you cast a legendary spell, draw a card.

{1}{R}{G}: Relentless Hunter gets +1/+1 and gains trample until end of turn.

When Relentless Rohirrim enters the battlefield, the Ring tempts you.

Relic Runner can’t be blocked if you’ve cast a historic spell this turn. (Artifacts, legendaries, and Sagas are historic.)

Renown 1 (When this creature deals combat damage to a player, if it isn’t renowned, put a +1/+1 counter on it and it becomes renowned.)

When Relic Seeker becomes renowned, you may search your library for an Equipment card, reveal it, put it into your hand, then shuffle.

When Reliquary Monk dies, destroy target artifact or enchantment.

Flying, haste

If a spell would deal damage to you or another permanent you control, prevent that damage.

If a spell would deal damage to an opponent or a permanent an opponent controls, it deals that much damage plus 1 instead.

As long as you control a Chandra planeswalker, Renegade Firebrand gets +1/+0 and has first strike. (It deals combat damage before creatures without first strike.)

Revolt — When Renegade Rallier enters the battlefield, if a permanent you controlled left the battlefield this turn, return target permanent card with mana value 2 or less from your graveyard to the battlefield.

Haste

First strike

Whenever Renegade Warlord attacks, each other attacking creature gets +1/+0 until end of turn.

{T}: Add {C}{C}. Spend this mana only to cast artifact spells or activate abilities of artifacts.

{U}, {T}: Search your library for a card named Heart-Piercer Bow or Vial of Dragonfire, reveal it, put it into your hand, then shuffle.

{1}{G}, Sacrifice Renowned Weaver: Create a 1/3 green Spider enchantment creature token with reach. (It can block creatures with flying.)

{2}{B}: If Repeat Offender is suspected, put a +1/+1 counter on it. Otherwise, suspect it. (A suspected creature has menace and can’t block.)

Protection from red

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

First strike

Discard a card: Resilient Wanderer gains protection from the color of your choice until end of turn.

Sacrifice Resistance Fighter: Prevent all combat damage target creature would deal this turn.

When Resistance Squad enters the battlefield, if you control another Human, draw a card.

Rally — Whenever Resolute Blademaster or another Ally enters the battlefield under your control, creatures you control gain double strike until end of turn.

Flash

When Resolute Reinforcements enters the battlefield, create a 1/1 white Soldier creature token.

{W/B}{W/B}: Resolute Rider gains lifelink until end of turn.

{W/B}{W/B}{W/B}: Resolute Rider gains indestructible until end of turn. (Damage and effects that say “destroy” don’t destroy it.)

You may exert Resolute Survivors as it attacks. (It won’t untap during your next untap step.)

Whenever you exert a creature, Resolute Survivors deals 1 damage to each opponent and you gain 1 life.

When Restoration Gearsmith enters the battlefield, return target artifact or creature card from your graveyard to your hand.

{2}: Retrieval Agent gets +1/-1 until end of turn.

Whenever one or more creatures attack you, if Reveille Squad is untapped, you may untap all creatures you control.

{1}: Prevent the next 1 damage that would be dealt to Revered Elder this turn.

When Reverent Hoplite enters the battlefield, create a number of 1/1 white Human Soldier creature tokens equal to your devotion to white. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.)

When Reverent Hunter enters the battlefield, put a number of +1/+1 counters on it equal to your devotion to green. (Each {G} in the mana costs of permanents you control counts toward your devotion to green.)

When Revolutionist enters the battlefield, return target instant or sorcery card from your graveyard to your hand.

Madness {3}{R} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Reyhan, Last of the Abzan enters the battlefield with three +1/+1 counters on it.

Whenever a creature you control dies or is put into the command zone, if it had one or more +1/+1 counters on it, you may put that many +1/+1 counters on target creature.

Partner (You can have two commanders if both have partner.)

You may exert Rhet-Crop Spearmaster as it attacks. When you do, it gets +1/+0 and gains first strike until end of turn. (An exerted creature won’t untap during your next untap step.)

Partner with Timin, Youthful Geist (When this creature enters the battlefield, target player may put Timin into their hand from their library, then shuffle.)

Vigilance

Whenever a creature an opponent controls becomes tapped, if it isn’t being declared as an attacker, put a +1/+1 counter on Rhoda, Geist Avenger.

You may exert Rhonas’s Stalwart as it attacks. When you do, it gets +1/+1 until end of turn and can’t be blocked by creatures with power 2 or less this turn. (An exerted creature won’t untap during your next untap step.)

You may play cards as though they were other cards of your choice with the same mana cost. You can’t choose the same card twice. (Mana cost includes color.)

At the beginning of your end step, you may pay {1}. When you do, target artifact card in your graveyard perpetually gains “This spell costs {1} less to cast.” If it’s a creature or Vehicle card, it perpetually gets +2/+2. Put it into your library second from the top.

Whenever you cast an artifact spell, you may draw a card. If you do, discard a card.

When Ride Guide enters the battlefield, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Vigilance

As Riders of Gavony enters the battlefield, choose a creature type.

Human creatures you control have protection from creatures of the chosen type.

When Riders of Rohan enters the battlefield, create two 2/2 red Human Knight creature tokens with trample and haste.

Dash {4}{R}{W} (You may cast this spell for its dash cost. If you do, it gains haste, and it’s returned from the battlefield to its owner’s hand at the beginning of the next end step.)

This spell costs {1} less to cast for each Human you control.

Trample, haste

At the beginning of your end step, if Riders of the Mark attacked this turn, return it to its owner’s hand. If you do, create a number of 1/1 white Human Soldier creature tokens equal to its toughness.

Rielle, the Everwise gets +1/+0 for each instant and sorcery card in your graveyard.

Whenever you discard one or more cards for the first time each turn, draw that many cards.

Protection from black; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)

Suspend 3—{1}{W}{W}

When the last time counter is removed from Riftmarked Knight while it’s exiled, create a 2/2 black Knight creature token with flanking, protection from white, and haste.

Plainswalk (This creature can’t be blocked as long as defending player controls a Plains.)

Whenever you cast a modal spell, choose up to X, where X is the number of times you chose a mode for that spell —

• Exile the top card of your library. Until the end of your next turn, you may play it.

• Put a +1/+1 counter on Riku of Many Paths. It gains trample until end of turn.

• Create a 1/1 blue Bird creature token with flying.

Whenever you cast an instant or sorcery spell, you may pay {U}{R}. If you do, copy that spell. You may choose new targets for the copy.

Whenever another nontoken creature enters the battlefield under your control, you may pay {G}{U}. If you do, create a token that’s a copy of that creature.

Deathtouch

When Rilsa Rael, Kingpin enters the battlefield, you take the initiative.

Whenever you attack, target attacking creature gains deathtouch until end of turn. If you’ve completed a dungeon, that creature also gets +5/+0 and gains first strike and menace until end of turn.

{T}: Untap another target snow permanent.

{1}, {T}: Counter target activated ability. Activate only if you control four or more snow permanents. (Mana abilities can’t be targeted.)

{1}, {T}: You may tap or untap target permanent. Activate only if you control four or more snow permanents.

At the beginning of combat on your turn, create X tokens that are copies of another target creature you control, where X is one plus the number of instant and sorcery spells you’ve cast this turn. They gain haste. Exile them at the beginning of the next end step.

Whenever Riot Ringleader attacks, Human creatures you control get +1/+0 until end of turn.