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.)

When Roving Harper enters, draw a card.

+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.

This spell costs less to cast for each creature that attacked this turn.

Draw three cards.

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.)

Destroy target land. Scry 2.

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.

Rubblebelt Recluse attacks each combat if able.

Rubblebelt Runner can't be blocked by creature tokens.

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.

Red spells you cast cost less to cast.

Choose one —

• Untap all lands you control.

• Until end of turn, lands you control become 2/2 creatures that are still lands.

Entwine (Choose both if you pay the entwine cost.)

Flying

Whenever a player casts a spell, they lose 1 life for each spell they've cast this turn.

: 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.)

Menace

When Ruin Grinder dies, each player may discard their hand and draw seven cards.

Mountaincycling (, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)

When you cast this spell, you may put a card an opponent owns from exile into that player's graveyard. If you do, you gain 5 life.

Deathtouch

When Ruin Rat dies, exile target card from an opponent's graveyard.

Devoid (This card has no color.)

Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)

Other colorless creatures you control get +1/+0.

, Sacrifice Ruinous Gremlin: Destroy target artifact.

Whenever Ruinous Minotaur deals damage to an opponent, sacrifice a land.

Destroy all nonland permanents your opponents control.

Ruins of Trokair enters tapped.

: Add .

, Sacrifice Ruins of Trokair: Add .

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.

Each player can't cast more than one spell each turn.

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

Whenever Rulik Mons, Warren Chief attacks, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you didn't put a card onto the battlefield this way, create a 1/1 red Goblin creature token.

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.

At the beginning of your upkeep, you may put a verse counter on Rumbling Crescendo.

, Sacrifice Rumbling Crescendo: Destroy up to X target lands, where X is the number of verse counters on Rumbling Crescendo.

When Rumbling Ruin enters, 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.

At the beginning of your upkeep, Rumbling Slum deals 1 damage to each player.

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

Attacking creatures you control get +1/+0 until end of turn for each other attacking creature.

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 their choice of the top or bottom of their library.

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

One or two target creatures each gain haste until end of turn. They can't be blocked this turn except by creatures with haste.

Escape—, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Until end of turn, target creature gains trample and ": Regenerate this creature."

Flash

When Runaway Boulder enters, it deals 6 damage to target creature an opponent controls.

Cycling (, Discard this card: Draw a card.)

Starting intensity 1

Enchant land

Whenever enchanted land is tapped for mana, its controller adds an additional amount of equal to Runaway Growth's intensity, then perpetually increase its intensity by 1.