Name: Rhystic Cave Type: Land Rules Text: {T}: Choose a color. Add one mana of that color unless any player pays {1}. Activate only as an instant. Set/Rarity: Prophecy uncommon Price: $0.36

Name: Rhystic Circle Cost: 2WW Type: Enchantment Rules Text: {1}: Any player may pay {1}. If no one does, the next time a source of your choice would deal damage to you this turn, prevent that damage. Set/Rarity: Prophecy common Price: $0.10

Name: Rhystic Shield Cost: 1W Type: Instant Rules Text: Creatures you control get +0/+1 until end of turn. They get an additional +0/+2 until end of turn unless any player pays {2}. Set/Rarity: Prophecy common Price: $0.13

Name: Rhystic Syphon Cost: 3BB Type: Sorcery Rules Text: Unless target player pays {3}, that player loses 5 life and you gain 5 life. Set/Rarity: Prophecy uncommon Price: $0.22

Name: Rhystic Tutor Cost: 2B Type: Sorcery Rules Text: Unless any player pays {2}, search your library for a card, put that card into your hand, then shuffle. Set/Rarity: Prophecy rare Price: $5.14

Name: Ria Ivor, Bane of Bladehold Cost: 2WB Type: Legendary Creature -- Phyrexian Knight Pow/Tgh: 3/4 Rules Text: Battle cry (Whenever this creature attacks, each other attacking creature gets +1/+0 until end of turn.) At the beginning of combat on your turn, the next time target creature would deal combat damage to one or more players this combat, prevent that damage. If damage is prevented this way, create that many 1/1 colorless Phyrexian Mite artifact creature tokens with toxic 1 and "This token can't block." Set/Rarity: Phyrexia: All Will Be One Promos rare, Phyrexia: All Will Be One rare Price: $0.26

Name: Ribskiff Cost: 4 Type: Artifact -- Vehicle Pow/Tgh: 4/4 Rules Text: Toxic 2 (Players dealt combat damage by this creature also get two poison counters.) When this Vehicle enters, draw a card. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) Set/Rarity: Phyrexia: All Will Be One uncommon Price: $0.08

Name: Rictus Robber Cost: 3B Type: Creature -- Zombie Rogue Pow/Tgh: 4/3 Rules Text: When this creature enters, if a creature died this turn, create a 2/2 blue and black Zombie Rogue creature token. Plot {2}{B} (You may pay {2}{B} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.) Set/Rarity: Outlaws of Thunder Junction uncommon Price: $0.06

Name: Ride Guide Cost: 4W Type: Creature -- Human Employee Pow/Tgh: 4/4 Rules Text: When this creature enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.) Set/Rarity: Unfinity common Price: $0.04

Name: Ride's End Cost: 4W Type: Instant Rules Text: This spell costs {3} less to cast if it targets a tapped permanent. Exile target creature or Vehicle. Set/Rarity: Aetherdrift common Price: $0.12

Name: Rider in Need Cost: 2W Type: Sorcery -- Adventure Rules Text: Create a 2/2 white Knight creature token with vigilance. (Then exile this card. You may cast the creature later from exile.) [Related to Lonesome Unicorn.] Set/Rarity: Magic Online Promos common, Throne of Eldraine common, The List common Price: $0.13

Name: Riders of Gavony Cost: 2WW Type: Creature -- Human Knight Pow/Tgh: 3/3 Rules Text: Vigilance As this creature enters, choose a creature type. Human creatures you control have protection from creatures of the chosen type. Set/Rarity: Avacyn Restored rare, Commander 2020 rare, Midnight Hunt Commander rare Price: $0.21

Name: Ridged Kusite Cost: B Type: Creature -- Horror Spellshaper Pow/Tgh: 1/1 Rules Text: {1}{B}, {T}, Discard a card: Target creature gets +1/+0 and gains first strike until end of turn. Set/Rarity: Planar Chaos common, Time Spiral Remastered common Price: $0.03

Name: Riding Red Hare Cost: 2W Type: Sorcery Rules Text: Target creature gets +3/+3 and gains horsemanship until end of turn. (It can't be blocked except by creatures with horsemanship.) Set/Rarity: Portal Three Kingdoms common Price: $10.93

Name: Riftmarked Knight Cost: 1WW Type: Creature -- Human Rebel Knight Pow/Tgh: 2/2 Rules Text: Protection from black; flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Suspend 3--{1}{W}{W} When the last time counter is removed from this card while it's exiled, create a 2/2 black Knight creature token with flanking, protection from white, and haste. Set/Rarity: Planar Chaos uncommon, Time Spiral Remastered uncommon Price: $0.10

Name: Righteous Aura Cost: 1W Type: Enchantment Rules Text: {W}, Pay 2 life: The next time a source of your choice would deal damage to you this turn, prevent that damage. Set/Rarity: Visions common, Mercadian Masques uncommon Price: $0.39

Name: Righteous Avengers Cost: 4W Type: Creature -- Human Soldier Pow/Tgh: 3/1 Rules Text: Plainswalk (This creature can't be blocked as long as defending player controls a Plains.) Set/Rarity: Legends uncommon, Masters Edition common Price: $1.89

Name: Righteous Blow Cost: W Type: Instant Rules Text: Righteous Blow deals 2 damage to target attacking or blocking creature. Set/Rarity: Avacyn Restored common, Guilds of Ravnica common Price: $0.06

Name: Righteous Cause Cost: 3WW Type: Enchantment Rules Text: Whenever a creature attacks, you gain 1 life. Set/Rarity: Onslaught uncommon, Duel Decks: Divine vs. Demonic uncommon, Commander 2011 uncommon, Duel Decks Anthology: Divine vs. Demonic uncommon, Commander Anthology uncommon, The List uncommon Price: $0.45

Name: Righteous Charge Cost: 1WW Type: Sorcery Rules Text: Creatures you control get +2/+2 until end of turn. Set/Rarity: Portal Second Age common, Starter 1999 uncommon, Masters Edition IV common, Gatecrash uncommon Price: $0.03