Name: Acolyte's Reward Cost: 1W Type: Instant Rules Text: Prevent the next X damage that would be dealt to target creature this turn, where X is your devotion to white. If damage is prevented this way, Acolyte's Reward deals that much damage to any target. (Each {W} in the mana costs of permanents you control counts toward your devotion to white.) Set/Rarity: Born of the Gods uncommon Price: $0.12

Name: Acorn Catapult Cost: 4 Type: Artifact Rules Text: {1}, {T}: This artifact deals 1 damage to any target. That permanent's controller or that player creates a 1/1 green Squirrel creature token. Set/Rarity: Commander 2011 rare, The List rare Price: $4.35

Name: Acquisitions Expert Cost: 1B Type: Creature -- Human Rogue Pow/Tgh: 1/2 Rules Text: When this creature enters, target opponent reveals a number of cards from their hand equal to the number of creatures in your party. You choose one of those cards. That player discards that card. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) Set/Rarity: Zendikar Rising uncommon Price: $0.09

Name: Acrobatic Cheerleader Cost: 1W Type: Creature -- Human Survivor Pow/Tgh: 2/2 Rules Text: Survival -- At the beginning of your second main phase, if this creature is tapped, put a flying counter on it. This ability triggers only once. Set/Rarity: Duskmourn: House of Horror common Price: $0.04

Name: Acrobatic Leap Cost: W Type: Instant Rules Text: Target creature gets +1/+3 and gains flying until end of turn. Untap it. Set/Rarity: The Lost Caverns of Ixalan common, Avatar: The Last Airbender Eternal common Price: $0.05

Name: Acrobatic Maneuver Cost: 2W Type: Instant Rules Text: Exile target creature you control, then return that card to the battlefield under its owner's control. Draw a card. Set/Rarity: Kaladesh common, The List common, Jumpstart 2022 common Price: $0.15

Name: Act of Authority Cost: 1WW Type: Enchantment Rules Text: When this enchantment enters, you may exile target artifact or enchantment. At the beginning of your upkeep, you may exile target artifact or enchantment. If you do, its controller gains control of this enchantment. Set/Rarity: Commander 2013 rare Price: $0.69

Name: Act of Heroism Cost: 1W Type: Instant Rules Text: Untap target creature. It gets +2/+2 until end of turn and can block an additional creature this turn. Set/Rarity: Hour of Devastation common, Masters 25 common Price: $0.06

Name: Activated Sleeper Cost: 2B Type: Creature -- Phyrexian Shapeshifter Pow/Tgh: 0/0 Rules Text: Flash You may have this creature enter as a copy of any creature card in a graveyard that was put there from the battlefield this turn, except it's a Phyrexian in addition to its other types. Set/Rarity: Dominaria United Commander rare Price: $0.88

Name: Ad Nauseam Cost: 3BB Type: Instant Rules Text: Reveal the top card of your library and put that card into your hand. You lose life equal to its mana value. You may repeat this process any number of times. Set/Rarity: Shards of Alara rare, Double Masters rare Price: $25.23

Name: Adagia, Windswept Bastion Type: Land -- Planet Rules Text: This land enters tapped. {T}: Add {W}. Station (Tap another creature you control: Put charge counters equal to its power on this Planet. Station only as a sorcery.) 12+ | {3}{W}, {T}: Create a token that's a copy of target artifact or enchantment you control, except it's legendary. Activate only as a sorcery. Set/Rarity: Edge of Eternities mythic, Edge of Eternities Promos mythic Price: $4.71

Name: Adamant Will Cost: 1W Type: Instant Rules Text: Target creature gets +2/+2 and gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) Set/Rarity: Dominaria common, The List common, Innistrad: Crimson Vow common, Innistrad: Double Feature common, Foundations common Price: $0.05

Name: Adanto Vanguard Cost: 1W Type: Creature -- Vampire Soldier Pow/Tgh: 1/1 Rules Text: As long as this creature is attacking, it gets +2/+0. Pay 4 life: This creature gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) Set/Rarity: Ixalan uncommon, The List uncommon Price: $0.11

Name: Adanto, the First Fort Type: Legendary Land Rules Text: (Transforms from Legion's Landing.) {T}: Add {W}. {2}{W}, {T}: Create a 1/1 white Vampire creature token with lifelink. [Back face. Transforms from Legion's Landing.] Set/Rarity: Ixalan Promos rare, Ixalan rare, XLN Treasure Chest rare, The List rare Price: $1.85

Name: Adaptive Automaton Cost: 3 Type: Artifact Creature -- Construct Pow/Tgh: 2/2 Rules Text: As this creature enters, choose a creature type. This creature is the chosen type in addition to its other types. Other creatures you control of the chosen type get +1/+1. Set/Rarity: Magic 2012 rare, Explorers of Ixalan rare, Secret Lair Drop rare, Double Masters rare, The Brothers' War Retro Artifacts rare, Foundations rare Price: $0.63

Name: Adaptive Gemguard Cost: 3W Type: Artifact Creature -- Gnome Pow/Tgh: 3/3 Rules Text: Tap two untapped artifacts and/or creatures you control: Put a +1/+1 counter on this creature. Activate only as a sorcery. Set/Rarity: The Lost Caverns of Ixalan common Price: $0.03

Name: Adaptive Omnitool Cost: 2 Type: Artifact -- Equipment Rules Text: Equipped creature gets +1/+1 for each artifact you control. Whenever equipped creature attacks, look at the top six cards of your library. You may reveal an artifact card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. Equip {3} Set/Rarity: Aetherdrift Commander rare Price: $1.43

Name: Adaptive Shimmerer Cost: 5 Type: Creature -- Insect Pow/Tgh: 0/0 Rules Text: Flash This creature enters with three +1/+1 counters on it. Set/Rarity: Ikoria: Lair of Behemoths common Price: $0.03

Name: Adarkar Sentinel Cost: 5 Type: Artifact Creature -- Soldier Pow/Tgh: 3/3 Rules Text: {1}: This creature gets +0/+1 until end of turn. Set/Rarity: Ice Age uncommon, Masters Edition II common Price: $0.17

Name: Adarkar Valkyrie Cost: 4WW Type: Snow Creature -- Angel Pow/Tgh: 4/5 Rules Text: Flying, vigilance {T}: When target creature other than this creature dies this turn, return that card to the battlefield under your control. Set/Rarity: Coldsnap rare, Modern Masters rare, Commander 2014 rare, Commander 2018 rare, The List rare Price: $0.96