: 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

Flying, haste

Alliance — Whenever another creature you control enters, create a Treasure token if this is the first or second time this ability has resolved this turn. Otherwise, you may pay . When you do, Rose Room Treasurer deals X damage to any target.

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.)

Vigilance

When Rosethorn Halberd enters, attach it to target non-Human creature you control.

Equipped creature gets +2/+1.

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

: Add . Spend this mana only on costs that contain .

When Rosie Cotton of South Lane enters, create a Food token. (It's an artifact with ", , Sacrifice this artifact: You gain 3 life.")

Whenever you create a token, put a +1/+1 counter on target creature you control other than Rosie.

Whenever one or more creature cards leave your graveyard, Rot Farm Mortipede gets +1/+0 and gains menace and lifelink until end of turn.

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

When Rotfeaster Maggot enters, exile target creature card from a graveyard. You gain life equal to that card's toughness.

Whenever Rotlung Reanimator or another Cleric dies, create a 2/2 black Zombie creature token.

Exploit (When this creature enters, you may sacrifice a creature.)

When Rot-Tide Gargantua exploits a creature, each opponent sacrifices a creature.

Whenever Rotting Giant attacks or blocks, sacrifice it unless you exile a card from your graveyard.

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.

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.)

+2: During target player's next turn, each creature that player controls attacks if able.

−2: Rowan Kenrith deals 3 damage to each tapped creature target player controls.

−8: Target player gets an emblem with "Whenever you activate an ability that isn't a mana ability, copy it. You may choose new targets for the copy."

Partner with Will Kenrith

Rowan Kenrith can be your commander.

+1: Up to one target creature gets +3/+0 and gains first strike until end of turn.

−2: Rowan, Fearless Sparkmage deals 1 damage to each of up to two target creatures. Those creatures can't block this turn.

−9: Gain control of all creatures until end of turn. Untap them. They gain haste until end of turn.

Menace

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

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

If this spell was bargained, look at the top four cards of your library, then put up to two of them back on top of your library in any order and the rest into your graveyard.

You draw two cards and you lose 2 life.

Enchant planeswalker

Enchanted planeswalker has "+1: Up to one target creature gets +2/+0 and gains first strike and trample until end of turn."

Whenever you activate a loyalty ability of enchanted planeswalker, copy that ability. You may choose new targets for the copy.

Whenever Roxanne, Starfall Savant enters or attacks, create a tapped colorless artifact token named Meteorite with "When Meteorite enters, it deals 2 damage to any target" and ": Add one mana of any color."

Whenever you tap an artifact token for mana, add one mana of any type that artifact token produced.

: Destroy target tapped creature.

Flying

Target creature you control gains hexproof until end of turn. Create a Royal Role token attached to that creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature gets +1/+1 and has ward .)

Phalanx Commander — When Royal Warden enters, create two tapped 2/2 black Necron Warrior artifact creature tokens.

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.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Whenever Rubblebelt Braggart attacks, if it's not suspected, you may suspect it. (A suspected creature has menace and can't block.)

When Rubblebelt Maverick enters, 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.

You may choose not to untap Rubinia Soulsinger during your untap step.

: Gain control of target creature for as long as you control Rubinia and Rubinia remains tapped.

Haste

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

: Add or .

All Hounds are Dogs. (We'll errata this to be true.)

First strike, lifelink

Underdog — If you've lost a game this match, CARDNAME and other Dogs you control get +1/+1.

: Add .

, : Add , , or .

At the beginning of combat on your turn, choose an opponent at random. Ruhan of the Fomori attacks that player this combat if able.

Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

Raid — At the beginning of your end step, if you attacked this turn, reveal the top card of your library and put that card into your hand. You lose life equal to the card's mana value.

Destroy all nonbasic lands.

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

Flying, lifelink

At the beginning of your end step, if you descended this turn, scry 1. (You descended if a permanent card was put into your graveyard from anywhere.)

Destroy target creature or planeswalker.

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.)

Ruins of Oran-Rief enters tapped.

: Add . ( represents colorless mana.)

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

As Rukarumel, Biologist enters, 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.

, : Create a 1/1 colorless Sliver creature token.

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.)

Whenever you cast a kicked spell, you may have Rumbling Aftershocks deal damage to any target equal to the number of times that spell was kicked.

, Discard a card: Draw a card.

Alliance — Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

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

Choose one or both —

• The owner of target nonland permanent puts it on the top or bottom of their library.

• Return target nonland permanent to its owner's hand.

Whenever you cast a creature spell with mana value 5 or greater, that creature enters with X additional +1/+1 counters on it, where X is its mana value minus 4.

Creatures you control with three or more +1/+1 counters on them have haste.

: Add .