Name: Ruin Raider Cost: 2B Type: Creature -- Orc Pirate Pow/Tgh: 3/2 Rules Text: 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. Set/Rarity: Ixalan rare, Ixalan Promos rare Price: $0.22

Name: Ruin Rat Cost: 1B Type: Creature -- Rat Pow/Tgh: 1/1 Rules Text: Deathtouch When this creature dies, exile target card from an opponent's graveyard. Set/Rarity: Hour of Devastation common, The List common, Jumpstart: Historic Horizons common Price: $0.14

Name: Ruin-Lurker Bat Cost: W Type: Creature -- Bat Pow/Tgh: 1/1 Rules Text: 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.) Set/Rarity: The Lost Caverns of Ixalan uncommon Price: $0.11

Name: Ruinous Path Cost: 1BB Type: Sorcery Rules Text: Destroy target creature or planeswalker. Awaken 4--{5}{B}{B} (If you cast this spell for {5}{B}{B}, 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.) Set/Rarity: Magic Online Promos rare, Battle for Zendikar Promos rare, Battle for Zendikar rare, Commander 2018 rare, Pioneer Masters uncommon Price: $0.05

Name: Ruinous Waterbending Cost: 1BB Type: Sorcery -- Lesson Rules Text: As an additional cost to cast this spell, you may waterbend {4}. (While paying a waterbend cost, you can tap your artifacts and creatures to help. Each one pays for {1}.) All creatures get -2/-2 until end of turn. If this spell's additional cost was paid, whenever a creature dies this turn, you gain 1 life. Set/Rarity: Avatar: The Last Airbender uncommon Price: $0.08

Name: Ruins of Oran-Rief Type: Land Rules Text: This land enters tapped. {T}: Add {C}. ({C} represents colorless mana.) {T}: Put a +1/+1 counter on target colorless creature that entered this turn. Set/Rarity: Oath of the Gatewatch Promos rare, Oath of the Gatewatch rare, Commander Masters rare, Modern Horizons 3 Commander rare Price: $0.16

Name: Ruins of Trokair Type: Land Rules Text: This land enters tapped. {T}: Add {W}. {T}, Sacrifice this land: Add {W}{W}. Set/Rarity: Fallen Empires uncommon, Pro Tour Collector Set uncommon, Fifth Edition uncommon, Classic Sixth Edition uncommon, Masters Edition II uncommon Price: $0.22

Name: Rule of Law Cost: 2W Type: Enchantment Rules Text: Each player can't cast more than one spell each turn. Set/Rarity: Mirrodin rare, Tenth Edition uncommon, Core Set 2020 uncommon Price: $0.39

Name: Rumble Arena Type: Land Rules Text: Vigilance When this land enters, scry 1. (Look at the top card of your library. You may put it on the bottom.) {T}: Add {C}. {1}, {T}: Add one mana of any color. Set/Rarity: Avatar: The Last Airbender common Price: $0.19

Name: Rumbling Sentry Cost: 3WW Type: Creature -- Giant Pow/Tgh: 3/6 Rules Text: When this creature enters, scry 1. Set/Rarity: Theros Beyond Death common Price: $0.06

Name: Rumor Gatherer Cost: 1WW Type: Creature -- Elf Wizard Pow/Tgh: 2/1 Rules Text: 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. Set/Rarity: The List uncommon, Streets of New Capenna uncommon, Commander Legends: Battle for Baldur's Gate uncommon Price: $0.29

Name: Runaway Boulder Cost: 6 Type: Artifact Rules Text: Flash When this artifact enters, it deals 6 damage to target creature an opponent controls. Cycling {2} ({2}, Discard this card: Draw a card.) Set/Rarity: The Lost Caverns of Ixalan common Price: $0.08

Name: Runaway Carriage Cost: 4 Type: Artifact Creature -- Construct Pow/Tgh: 5/6 Rules Text: Trample When this creature attacks or blocks, sacrifice it at end of combat. Set/Rarity: Shadows over Innistrad uncommon Price: $0.12

Name: Runaway Trash-Bot Cost: 3 Type: Artifact Creature -- Construct Pow/Tgh: 0/4 Rules Text: Trample This creature gets +1/+0 for each artifact and/or enchantment card in your graveyard. Set/Rarity: Kamigawa: Neon Dynasty uncommon Price: $0.07

Name: Rune of Mortality Cost: 1B Type: Enchantment -- Aura Rune Rules Text: Enchant permanent When this Aura 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." Set/Rarity: Kaldheim uncommon Price: $0.16

Name: Rune of Protection: Artifacts Cost: 1W Type: Enchantment Rules Text: {W}: The next time an artifact source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) Set/Rarity: Urza's Saga uncommon Price: $0.28

Name: Rune of Protection: Black Cost: 1W Type: Enchantment Rules Text: {W}: The next time a black source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) Set/Rarity: Urza's Saga common Price: $0.19

Name: Rune of Protection: Blue Cost: 1W Type: Enchantment Rules Text: {W}: The next time a blue source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) Set/Rarity: Urza's Saga common Price: $0.18

Name: Rune of Protection: Green Cost: 1W Type: Enchantment Rules Text: {W}: The next time a green source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) Set/Rarity: Urza's Saga common Price: $0.18

Name: Rune of Protection: Lands Cost: 1W Type: Enchantment Rules Text: {W}: The next time a land source of your choice would deal damage to you this turn, prevent that damage. Cycling {2} ({2}, Discard this card: Draw a card.) Set/Rarity: Urza's Saga rare, The List rare Price: $0.47