Name: Oath of Lim-Dûl Cost: 3B Type: Enchantment Rules Text: Whenever you lose life, for each 1 life you lost, sacrifice a permanent other than this enchantment unless you discard a card. (Damage dealt to you causes you to lose life.) {B}{B}: Draw a card. Set/Rarity: Ice Age rare Price: $0.57

Name: Oath of the Grey Host Cost: 3B Type: Enchantment -- Saga Rules Text: (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I -- You and target opponent each create a Food token. II -- Each opponent loses 3 life. Create a Treasure token. III -- Create three tapped 1/1 white Spirit creature tokens with flying. Set/Rarity: The Lord of the Rings: Tales of Middle-earth uncommon Price: $0.19

Name: Oathkeeper, Takeno's Daisho Cost: 3 Type: Legendary Artifact -- Equipment Rules Text: Equipped creature gets +3/+1. Whenever equipped creature dies, return that card to the battlefield under your control if it's a Samurai card. When Oathkeeper is put into a graveyard from the battlefield, exile equipped creature. Equip {2} Set/Rarity: Champions of Kamigawa rare Price: $20.52

Name: Oathsworn Giant Cost: 4WW Type: Creature -- Giant Soldier Pow/Tgh: 3/4 Rules Text: Vigilance Other creatures you control get +0/+2 and have vigilance. Set/Rarity: Ravnica: City of Guilds uncommon, The List uncommon Price: $0.34

Name: Oathsworn Knight Cost: 1BB Type: Creature -- Human Knight Pow/Tgh: 0/0 Rules Text: This creature enters with four +1/+1 counters on it. This creature attacks each combat if able. If damage would be dealt to this creature while it has a +1/+1 counter on it, prevent that damage and remove a +1/+1 counter from it. Set/Rarity: Throne of Eldraine Promos rare, Throne of Eldraine rare Price: $0.33

Name: Oathsworn Vampire Cost: 1B Type: Creature -- Vampire Knight Pow/Tgh: 2/2 Rules Text: This creature enters tapped. You may cast this card from your graveyard if you gained life this turn. Set/Rarity: Rivals of Ixalan uncommon, Jumpstart 2022 uncommon, The Lost Caverns of Ixalan Commander uncommon Price: $0.22

Name: Ob Nixilis Reignited Cost: 3BB Type: Legendary Planeswalker -- Nixilis Loyalty: 5 Rules Text: [+1]: You draw a card and you lose 1 life. [−3]: Destroy target creature. [−8]: Target opponent gets an emblem with "Whenever a player draws a card, you lose 2 life." Set/Rarity: Magic Online Promos mythic, Battle for Zendikar mythic, Battle for Zendikar Promos mythic, Duel Decks: Nissa vs. Ob Nixilis mythic, Commander 2019 mythic, Secret Lair Drop mythic, Commander 2021 mythic, Starter Commander Decks mythic, Duskmourn: House of Horror Commander mythic, Pioneer Masters mythic Price: $0.29

Name: Ob Nixilis of the Black Oath Cost: 3BB Type: Legendary Planeswalker -- Nixilis Loyalty: 3 Rules Text: [+2]: Each opponent loses 1 life. You gain life equal to the life lost this way. [−2]: Create a 5/5 black Demon creature token with flying. You lose 2 life. [−8]: You get an emblem with "{1}{B}, Sacrifice a creature: You gain X life and draw X cards, where X is the sacrificed creature's power." Ob Nixilis of the Black Oath can be your commander. Set/Rarity: Commander 2014 Oversized mythic, Commander 2014 mythic, Legendary Cube Prize Pack mythic, Commander Masters rare Price: $0.73

Name: Ob Nixilis's Cruelty Cost: 2B Type: Instant Rules Text: Target creature gets -5/-5 until end of turn. If that creature would die this turn, exile it instead. Set/Rarity: War of the Spark common, Jumpstart 2022 common, Pioneer Masters common Price: $0.07

Name: Ob Nixilis, Unshackled Cost: 4BB Type: Legendary Creature -- Demon Pow/Tgh: 4/4 Rules Text: Flying, trample Whenever an opponent searches their library, that player sacrifices a creature of their choice and loses 10 life. Whenever another creature dies, put a +1/+1 counter on Ob Nixilis. Set/Rarity: Magic 2015 Promos rare, Magic 2015 rare, Double Masters 2022 rare Price: $3.31

Name: Ob Nixilis, the Fallen Cost: 3BB Type: Legendary Creature -- Demon Pow/Tgh: 3/3 Rules Text: Landfall -- Whenever a land you control enters, you may have target player lose 3 life. If you do, put three +1/+1 counters on Ob Nixilis. Set/Rarity: Zendikar mythic, Iconic Masters mythic, The List mythic, Secret Lair Countdown mythic, Tarkir: Dragonstorm Commander mythic Price: $0.78

Name: Ob Nixilis, the Hate-Twisted Cost: 3BB Type: Legendary Planeswalker -- Nixilis Loyalty: 5 Rules Text: Whenever an opponent draws a card, Ob Nixilis deals 1 damage to that player. [−2]: Destroy target creature. Its controller draws two cards. Set/Rarity: Magic Online Promos uncommon, War of the Spark Promos uncommon, War of the Spark uncommon, Secret Lair Drop uncommon, Jumpstart 2022 uncommon Price: $0.76

Name: Obelisk of Undoing Cost: 1 Type: Artifact Rules Text: {6}, {T}: Return target permanent you both own and control to your hand. Set/Rarity: Antiquities rare, Chronicles rare, Chronicles Foreign Black Border rare, Rinascimento uncommon, Fifth Edition rare, Masters Edition IV rare Price: $0.27

Name: Obelisk of Urd Cost: 6 Type: Artifact Rules Text: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) As this artifact enters, choose a creature type. Creatures you control of the chosen type get +2/+2. Set/Rarity: Magic 2015 rare, Zendikar Rising Commander rare Price: $2.62

Name: Oblation Cost: 2W Type: Instant Rules Text: The owner of target nonland permanent shuffles it into their library, then draws two cards. Set/Rarity: Onslaught rare, Commander 2011 rare, Commander 2014 rare, Commander 2016 rare, Commander 2021 rare Price: $0.59

Name: Oblivion Crown Cost: 1B Type: Enchantment -- Aura Rules Text: Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature has "Discard a card: This creature gets +1/+1 until end of turn." Set/Rarity: Future Sight common Price: $0.35

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: $0.13

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: $0.41

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: $0.31

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