Name: A-Guide of Souls Cost: W Type: Creature -- Human Cleric Pow/Tgh: 1/2 Rules Text: Whenever another creature you control enters, you gain 1 life and get {E} (an energy counter). Whenever you attack, you may pay {E}{E}{E}{E}. When you do, put two +1/+1 counters and a flying counter on target attacking creature. It becomes an Angel in addition to its other types. Set/Rarity: Modern Horizons 3 rare Price: ???

Name: A-Nadu, Winged Wisdom Cost: 1GU Type: Legendary Creature -- Bird Wizard Pow/Tgh: 3/4 Rules Text: Flying Whenever a creature you control becomes the target of a spell or ability, reveal the top card of your library. If it's a land card, put it onto the battlefield. Otherwise, put it into your hand. This ability triggers only twice each turn. Set/Rarity: Modern Horizons 3 rare Price: ???

Name: A-Ocelot Pride Cost: 1W Type: Creature -- Cat Pow/Tgh: 1/1 Rules Text: First strike, lifelink Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) At the beginning of your end step, if you gained life this turn, create a 1/1 white Cat creature token. Then if you have the city's blessing, for each token you control that entered this turn, create a token that's a copy of it. Set/Rarity: Modern Horizons 3 mythic Price: ???

Name: Abstruse Appropriation Cost: 2WB Type: Instant Rules Text: Devoid (This card has no color.) Exile target nonland permanent. You may cast that card for as long as it remains exiled, and you may spend colorless mana as though it were mana of any color to cast that spell. Set/Rarity: Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $0.32

Name: Aether Revolt Cost: 2RR Type: Enchantment Rules Text: Revolt -- As long as a permanent left the battlefield under your control this turn, if a source you control would deal noncombat damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead. Whenever you get one or more {E}, this enchantment deals that much damage to any target. Set/Rarity: Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $0.30

Name: Ajani, Nacatl Pariah Cost: 1W Type: Legendary Creature -- Cat Warrior Pow/Tgh: 1/2 Rules Text: When Ajani enters, create a 2/1 white Cat Warrior creature token. Whenever one or more other Cats you control die, you may exile Ajani, then return him to the battlefield transformed under his owner's control. [Front face. Transforms into Ajani, Nacatl Avenger.] Set/Rarity: Modern Horizons 3 Promos mythic, Modern Horizons 3 mythic Price: $9.75

Name: Amphibian Downpour Cost: 2U Type: Enchantment -- Aura Rules Text: Flash Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies. Copies become tokens.) Enchant creature Enchanted creature loses all abilities and is a blue Frog creature with base power and toughness 1/1. Set/Rarity: Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $1.12

Name: Archway of Innovation Type: Land Rules Text: This land enters tapped unless you control an Island. {T}: Add {U}. {U}, {T}: The next spell you cast this turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Set/Rarity: Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $0.68

Name: Arena of Glory Type: Land Rules Text: This land enters tapped unless you control a Mountain. {T}: Add {R}. {R}, {T}, Exert this land: Add {R}{R}. If that mana is spent on a creature spell, it gains haste until end of turn. (An exerted permanent won't untap during your next untap step.) Set/Rarity: The List rare, Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $8.87

Name: Argent Dais Cost: 1W Type: Artifact Rules Text: This artifact enters with two oil counters on it. Whenever two or more creatures attack, put an oil counter on this artifact. {2}, {T}, Remove two oil counters from this artifact: Exile another target nonland permanent. Its controller draws two cards. Set/Rarity: Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $0.18

Name: Arna Kennerüd, Skycaptain Cost: 2WUB Type: Legendary Creature -- Human Knight Pow/Tgh: 4/4 Rules Text: Flying, lifelink Ward--Discard a card. Whenever a modified creature you control attacks, double the number of each kind of counter on it. Then for each nontoken permanent attached to it, create a token that's a copy of that permanent attached to that creature. Set/Rarity: Modern Horizons 3 Promos mythic, Modern Horizons 3 mythic Price: $0.44

Name: Ashling, Flame Dancer Cost: 2RR Type: Legendary Creature -- Elemental Shaman Pow/Tgh: 4/4 Rules Text: You don't lose unspent red mana as steps and phases end. Magecraft -- Whenever you cast or copy an instant or sorcery spell, discard a card, then draw a card. If this is the second time this ability has resolved this turn, Ashling deals 2 damage to each opponent and each creature they control. If it's the third time, add {R}{R}{R}{R}. Set/Rarity: Modern Horizons 3 Promos mythic, Modern Horizons 3 mythic Price: $6.31

Name: Birthing Ritual Cost: 1G Type: Enchantment Rules Text: At the beginning of your end step, if you control a creature, look at the top seven cards of your library. Then you may sacrifice a creature. If you do, you may put a creature card with mana value X or less from among those cards onto the battlefield, where X is 1 plus the sacrificed creature's mana value. Put the rest on the bottom of your library in a random order. Set/Rarity: Modern Horizons 3 Promos mythic, Modern Horizons 3 mythic Price: $4.51

Name: Bloodstained Mire Type: Land Rules Text: {T}, Pay 1 life, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle. Set/Rarity: Magic Online Promos rare, Onslaught rare, World Championship Decks 2003 rare, Judge Gift Cards 2009 rare, Khans of Tarkir rare, Zendikar Expeditions mythic, Zendikar Rising Expeditions mythic, Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $17.91

Name: Branching Evolution Cost: 2G Type: Enchantment Rules Text: If one or more +1/+1 counters would be put on a creature you control, twice that many +1/+1 counters are put on that creature instead. Set/Rarity: Jumpstart rare, The Lost Caverns of Ixalan Commander rare, Fallout rare, Modern Horizons 3 rare Price: $4.68

Name: Breya, Etherium Shaper Cost: WUBR Type: Legendary Artifact Creature -- Human Pow/Tgh: 4/4 Rules Text: When Breya enters, create two 1/1 blue Thopter artifact creature tokens with flying. {2}, Sacrifice two artifacts: Choose one -- - Breya deals 3 damage to target player or planeswalker. - Target creature gets -4/-4 until end of turn. - You gain 5 life. Set/Rarity: Commander 2016 mythic, Commander 2016 Oversized mythic, Treasure Chest mythic, Secret Lair Drop mythic, Double Masters mythic, Modern Horizons 3 mythic Price: $0.38

Name: Chthonian Nightmare Cost: 1B Type: Enchantment Rules Text: When this enchantment enters, you get {E}{E}{E} (three energy counters). Pay X {E}, Sacrifice a creature, Return this enchantment to its owner's hand: Return target creature card with mana value X from your graveyard to the battlefield. Activate only as a sorcery. Set/Rarity: Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $0.43

Name: Crabomination Cost: 4BB Type: Creature -- Crab Demon Pow/Tgh: 5/5 Rules Text: Emerge from artifact {5}{B}{B} (You may cast this spell by sacrificing an artifact and paying the emerge cost reduced by that artifact's mana value.) When this creature enters, target opponent exiles the top card of their library, a card at random from their graveyard, and a card at random from their hand. You may cast a spell from among cards exiled this way without paying its mana cost. Set/Rarity: Modern Horizons 3 Promos rare, Modern Horizons 3 rare Price: $0.32

Name: Cursed Mirror Cost: 2R Type: Artifact Rules Text: {T}: Add {R}. As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste. Set/Rarity: Magic Online Promos rare, Secret Lair Drop rare, The List rare, Commander 2021 rare, The Brothers' War Commander rare, Doctor Who rare, Outlaws of Thunder Junction Commander rare, Modern Horizons 3 rare, Secrets of Strixhaven Commander rare Price: $0.39

Name: Deserted Temple Type: Land Rules Text: {T}: Add {C}. {1}, {T}: Untap target land. Set/Rarity: Odyssey rare, Tales of Middle-earth Commander mythic, Modern Horizons 3 rare, Edge of Eternities: Stellar Sights mythic Price: $0.44