: Return Retrofitted Transmogrant from your graveyard to the battlefield tapped with two +1/+1 counters on it.

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

When Revel Ruiner enters the battlefield, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Revered Unicorn leaves the battlefield, you gain life equal to the number of age counters on it.

Choose one —

• Counter all other spells.

• Switch each creature's power and toughness until end of turn.

• Creatures can't be blocked this turn.

Counter target nonartifact spell unless its controller pays .

Whenever Rex, Cyber-Hound deals combat damage to a player, they mill two cards and you get (two energy counters).

Pay : Choose target creature card in a graveyard. Exile it with a brain counter on it. Activate only as a sorcery.

Rex has all activated abilities of all cards in exile with brain counters on them.

Undergrowth — Rhizome Lurcher enters the battlefield with a number of +1/+1 counters on it equal to the number of creature cards in your graveyard.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Renown 2 (When this creature deals combat damage to a player, if it isn't renowned, put two +1/+1 counters on it and it becomes renowned.)

Creature spells you control can't be countered.

Nontoken creatures you control have riot. (They enter the battlefield with your choice of a +1/+1 counter or haste.)

Flying

When Riddle Gate Gargoyle enters the battlefield, you get (three energy counters).

Whenever you attack, you may pay . When you do, target creature you control gains lifelink until end of turn.

When Ridgescale Tusker enters the battlefield, put a +1/+1 counter on each other creature you control.

, Remove a time counter from a permanent you control or suspended card you own: Rift Elemental gets +2/+0 until end of turn.

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

Suspend 3—

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.

First strike

Raid — Rigging Runner enters the battlefield with a +1/+1 counter on it if you attacked this turn.

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.

Flying

: Tap target creature and put an ice counter on it. ( can be paid with one mana from a snow source.)

Creatures with ice counters on them don't untap during their controllers' untap steps.

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

, : Counter target instant or Aura spell that targets a permanent you control.

Ring of Three Wishes enters the battlefield with three wish counters on it.

, , Remove a wish counter from Ring of Three Wishes: Search your library for a card, put that card into your hand, then shuffle.

Equipped creature has haste. (It can attack and no matter when it came under your control.)

At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red.

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

Trample

When Riparian Tiger enters the battlefield, you get (two energy counters).

Whenever Riparian Tiger attacks, you may pay . If you do, it gets +2/+2 until end of turn.

As Riptide Replicator enters the battlefield, choose a color and a creature type.

Riptide Replicator enters the battlefield with X charge counters on it.

, : Create an X/X creature token of the chosen color and type, where X is the number of charge counters on Riptide Replicator.

This spell can't be countered.

Destroy target permanent. Target player draws four cards. Take an extra turn after this one.

Exile Rise of the Eldrazi.

All creatures get -2/-2 until end of turn.

Awaken 3— (If you cast this spell for , also put three +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

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.

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

Discard any number of cards. Counter target spell unless its controller pays for each card discarded this way.

River Delta doesn't untap during your untap step if it has a depletion counter on it.

At the beginning of your upkeep, remove a depletion counter from River Delta.

: Add or . Put a depletion counter on River Delta.

When River Herald Scout enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Whenever River Kelpie or another permanent enters the battlefield from a graveyard, draw a card.

Whenever a player casts a spell from a graveyard, draw a card.

Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

When Riveting Rigger enters the battlefield, you may sacrifice another artifact. If you do, put two +1/+1 counters on Riveting Rigger and it assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)

I — Create two 3/3 green Dinosaur creature tokens.

II — Roar of the Fifth People gains "Creatures you control have ‘: Add , , or .'"

III — Search your library for a Dinosaur card, reveal it, put it into your hand, then shuffle.

IV — Dinosaurs you control gain double strike and trample until end of turn.

Robobrain War Mind's power is equal to the number of cards in your hand.

When Robobrain War Mind enters the battlefield, you get an amount of (energy counters) equal to the number of artifact creatures you control.

Whenever Robobrain War Mind attacks, you may pay . If you do, draw a card.

At the beginning of your end step, each player exiles the top card of their library. Until your next end step, each player may play the card they exiled this way.

Whenever a player plays a land from exile or casts a spell from exile, you put a +1/+1 counter on target creature and create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

First strike

Whenever another creature dies, you may put a +1/+1 counter on Rockslide Elemental.

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.

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.)

Protection from snow

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

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.")

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.

Whenever another creature you control dies, put a +1/+1 counter on Rot Shambler.

Rotating Fireplace enters the battlefield 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.)

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.)

Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Whenever a Swamp, Mountain, black permanent, or red permanent becomes tapped, Royal Decree deals 1 damage to that permanent's controller.

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.)

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

Exile target artifact or enchantment. Put X +1/+1 counters on target creature you control, where X is the mana value of the permanent exiled this way.

Ruins of Oran-Rief enters the battlefield tapped.

: Add . ( represents colorless mana.)

: Put a +1/+1 counter on target colorless creature that entered the battlefield this turn.

State-based actions don't apply to you or other permanents you control. (You don't lose the game due to having 0 or less life or drawing from an empty library. Your creatures aren't destroyed due to damage or deathtouch and aren't put into a graveyard due to having 0 or less toughness. Your planeswalkers aren't put into a graveyard if they have 0 loyalty. You don't put a legendary permanent into a graveyard if you control two with the same name. Counters aren't removed from your permanents due to game rules. Permanents you control attached or combined illegally remain on the battlefield. For complete rules and regulations, see rule 704.)

When Rumbling Ruin enters the battlefield, count the number of +1/+1 counters on creatures you control. Creatures your opponents control with power less than or equal to that number can't block this turn.

Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin.

Remove three +1/+1 counters from Runaway Steam-Kin: Add .