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 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.

Trample

Runaway Trash-Bot gets +1/+0 for each artifact and/or enchantment card in your graveyard.

Enchant permanent

When Rune of Flight enters, draw a card.

As long as enchanted permanent is a creature, it has flying.

As long as enchanted permanent is an Equipment, it has "Equipped creature has flying."

Enchant permanent

When Rune of Mortality enters, draw a card.

As long as enchanted permanent is a creature, it has deathtouch.

As long as enchanted permanent is an Equipment, it has "Equipped creature has deathtouch."

: The next time a black source of your choice would deal damage to you this turn, prevent that damage.

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

: The next time a green source of your choice would deal damage to you this turn, prevent that damage.

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

: The next time a red source of your choice would deal damage to you this turn, prevent that damage.

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

Enchant permanent

When Rune of Speed enters, draw a card.

As long as enchanted permanent is a creature, it gets +1/+0 and has haste.

As long as enchanted permanent is an Equipment, it has "Equipped creature gets +1/+0 and has haste."

Counter target spell unless its controller pays plus an additional for each card named Rune Snag in each graveyard.

, : Runebound Wolf deals damage equal to the number of Wolves and Werewolves you control to target opponent.

Flying

: Rune-Cervin Rider gets +1/+1 until end of turn.

When Runed Crown enters, you may search your library, hand, and/or graveyard for a Rune card and put it onto the battlefield attached to Runed Crown. If you search your library this way, shuffle.

Equipped creature gets +1/+1.

Equip

When Runed Servitor dies, each player draws a card.

Instead of taking turns as normal, players take their phases sequentially. (For example, you take your beginning phase as the active player, then the next player in turn order becomes the active player and takes their beginning phase. After each player had a beginning phase, do the same for first main, combat phase, second main, ending phase, and then beginning phase again. If this creature leaves the battlefield, the active player continues their turn as normal.)

When Runeforge Champion enters, you may search your library and/or graveyard for a Rune card, reveal it, and put it into your hand. If you search your library this way, shuffle.

You may pay rather than pay the mana cost for Rune spells you cast.

Enchant creature

As long as enchanted creature is red, it gets +1/+1 and has double strike. (It deals both first-strike and regular combat damage.)

As long as enchanted creature is green, it gets +1/+1 and has trample.

, : Target attacking creature gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, sacrifice Runesword. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature dealt damage by the targeted creature would die this turn, exile that creature instead.

Prevent all damage that would be dealt to creatures you control.

Whenever an opponent activates an ability of a creature or land that isn't a mana ability, you may draw a card.

Kicker (You may pay an additional as you cast this spell.)

Destroy target tapped creature. If this spell was kicked, scry 2.