Name: Oblivion Ring Cost: 2W Type: Enchantment Rules Text: When this enchantment enters, exile another target nonland permanent. When this enchantment leaves the battlefield, return the exiled card to the battlefield under its owner's control. Set/Rarity: Magic Online Promos common, Lorwyn common, Shards of Alara common, Friday Night Magic 2009 rare, Planechase common, Archenemy common, Magic Online Theme Decks common, Duel Decks: Knights vs. Dragons common, Commander 2011 common, Magic 2012 uncommon, Duel Decks: Venser vs. Koth uncommon, Magic 2013 uncommon, Modern Masters 2015 uncommon, The List common Price: $0.17

Name: Oblivion Sower Cost: 6 Type: Creature -- Eldrazi Pow/Tgh: 5/8 Rules Text: When you cast this spell, target opponent exiles the top four cards of their library, then you may put any number of land cards that player owns from exile onto the battlefield under your control. Set/Rarity: Magic Online Promos mythic, Duel Decks: Zendikar vs. Eldrazi mythic, Battle for Zendikar mythic, Battle for Zendikar Promos mythic, Commander Masters mythic, Outlaws of Thunder Junction Commander mythic, Modern Horizons 3 Commander mythic Price: $0.62

Name: Oblivion Stone Cost: 3 Type: Artifact Rules Text: {4}, {T}: Put a fate counter on target permanent. {5}, {T}, Sacrifice this artifact: Destroy each nonland permanent without a fate counter on it, then remove all fate counters from all permanents. Set/Rarity: Mirrodin rare, Commander 2011 rare, Kaladesh Inventions special, Iconic Masters rare, Commander Anthology Volume II rare, Double Masters rare, New Capenna Commander rare, The Brothers' War Commander rare, Modern Horizons 3 Commander rare Price: $0.32

Name: Oblivion Strike Cost: 3B Type: Sorcery Rules Text: Devoid (This card has no color.) Exile target creature. Set/Rarity: Oath of the Gatewatch common, The List common Price: $0.06

Name: Oblivion's Hunger Cost: 1B Type: Instant Rules Text: Target creature you control gains indestructible until end of turn. Draw a card if that creature has a +1/+1 counter on it. (Damage and effects that say "destroy" don't destroy the creature.) Set/Rarity: Zendikar Rising common Price: $0.06

Name: Obscura Storefront Type: Land Rules Text: When this land enters, sacrifice it. When you do, search your library for a basic Plains, Island, or Swamp card, put it onto the battlefield tapped, then shuffle and you gain 1 life. Set/Rarity: Streets of New Capenna common, Duskmourn: House of Horror Commander common Price: $0.31

Name: Observant Alseid Cost: 2W Type: Enchantment Creature -- Nymph Pow/Tgh: 2/2 Rules Text: Bestow {4}{W} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) Vigilance Enchanted creature gets +2/+2 and has vigilance. Set/Rarity: Theros common Price: $0.07

Name: Obsessive Pursuit Cost: 1B Type: Enchantment Rules Text: When this enchantment enters and at the beginning of your upkeep, you lose 1 life and create a Clue token. (It's an artifact with "{2}, Sacrifice this token: Draw a card.") Whenever you attack, put X +1/+1 counters on target attacking creature, where X is the number of permanents you've sacrificed this turn. If X is three or more, that creature gains lifelink until end of turn. Set/Rarity: Avatar: The Last Airbender Promos rare, Avatar: The Last Airbender rare Price: $0.57

Name: Obsianus Golem Cost: 6 Type: Artifact Creature -- Golem Pow/Tgh: 4/6 Rules Text: Set/Rarity: Limited Edition Alpha uncommon, Limited Edition Beta uncommon, Unlimited Edition uncommon, Collectors' Edition uncommon, Intl. Collectors' Edition uncommon, Foreign Black Border uncommon, Revised Edition uncommon, Summer Magic / Edgar uncommon, Fourth Edition Foreign Black Border uncommon, Fourth Edition uncommon, Classic Sixth Edition uncommon, Masters Edition IV common, 30th Anniversary Edition uncommon Price: $0.10

Name: Obsidian Acolyte Cost: 1W Type: Creature -- Human Cleric Pow/Tgh: 1/1 Rules Text: Protection from black {W}: Target creature gains protection from black until end of turn. Set/Rarity: Invasion common Price: $0.39

Name: Obsidian Battle-Axe Cost: 3 Type: Kindred Artifact -- Warrior Equipment Rules Text: Equipped creature gets +2/+1 and has haste. Whenever a Warrior creature enters, you may attach this Equipment to it. Equip {3} Set/Rarity: Morningtide uncommon, Salvat 2011 uncommon Price: $0.33

Name: Obsidian Obelisk Cost: 2 Type: Artifact Rules Text: This artifact enters tapped. {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a multicolored spell. Set/Rarity: Dominaria United Commander rare Price: $0.62

Name: Obstinate Gargoyle Cost: 1WB Type: Artifact Creature -- Gargoyle Pow/Tgh: 2/2 Rules Text: This creature has flying as long as it's modified. (Equipment, Auras you control, and counters are modifications.) Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.) Set/Rarity: Modern Horizons 3 common Price: $0.19

Name: Obzedat's Aid Cost: 3WB Type: Sorcery Rules Text: Return target permanent card from your graveyard to the battlefield. Set/Rarity: Dragon's Maze rare Price: $0.30

Name: Obzedat, Ghost Council Cost: 1WWBB Type: Legendary Creature -- Spirit Advisor Pow/Tgh: 5/5 Rules Text: When Obzedat enters, target opponent loses 2 life and you gain 2 life. At the beginning of your end step, you may exile Obzedat. If you do, return it to the battlefield under its owner's control at the beginning of your next upkeep. It gains haste. Set/Rarity: Gatecrash mythic, Modern Masters 2017 rare, Explorer Anthology 3 mythic Price: $0.96

Name: Ocelot Pride Cost: W 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: Store Championships rare, Modern Horizons 3 mythic, Modern Horizons 3 Promos mythic Price: $41.13

Name: Odious Witch Type: Creature -- Human Warlock Pow/Tgh: 3/3 Rules Text: Whenever this creature attacks, defending player loses 1 life and you gain 1 life. [Back face. Transforms from Ragged Recluse. B color indicator.] Set/Rarity: Innistrad: Crimson Vow common, Innistrad: Double Feature common Price: $0.03

Name: Odric's Outrider Cost: 3W Type: Creature -- Human Knight Pow/Tgh: 2/4 Rules Text: Whenever this creature or another creature you control dies, put a +1/+1 counter on target creature you control. Set/Rarity: Innistrad: Midnight Hunt uncommon, Innistrad: Double Feature uncommon Price: $0.22

Name: Odric, Lunarch Marshal Cost: 3W Type: Legendary Creature -- Human Soldier Pow/Tgh: 3/3 Rules Text: At the beginning of each combat, creatures you control gain first strike until end of turn if a creature you control has first strike. The same is true for flying, deathtouch, double strike, haste, hexproof, indestructible, lifelink, menace, reach, skulk, trample, and vigilance. Set/Rarity: Shadows over Innistrad Promos rare, Shadows over Innistrad rare, Commander 2020 rare, The List rare, Commander Legends rare, Dominaria United Commander rare, Shadows over Innistrad Remastered rare, Innistrad Remastered rare Price: $0.52

Name: Odric, Master Tactician Cost: 2WW Type: Legendary Creature -- Human Soldier Pow/Tgh: 3/4 Rules Text: First strike (This creature deals combat damage before creatures without first strike.) Whenever Odric and at least three other creatures attack, you choose which creatures block this combat and how those creatures block. Set/Rarity: Magic 2013 rare, Archenemy: Nicol Bolas rare, Commander 2020 rare, The List rare, Midnight Hunt Commander rare, Commander Masters rare Price: $0.36