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: $0.37

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: $0.36

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: $0.52

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: $0.05

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: $0.14

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: $0.83

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: $33.67

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: $0.05

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: $0.04

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: $0.45

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: $0.30

Name: Odunos River Trawler Cost: 2B Type: Creature -- Zombie Pow/Tgh: 2/2 Rules Text: When this creature enters, return target enchantment creature card from your graveyard to your hand. {W}, Sacrifice this creature: Return target enchantment creature card from your graveyard to your hand. Set/Rarity: Born of the Gods uncommon Price: $0.08

Name: Odylic Wraith Cost: 3B Type: Creature -- Wraith Pow/Tgh: 2/2 Rules Text: Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.) Whenever this creature deals damage to a player, that player discards a card. Set/Rarity: Weatherlight uncommon Price: $0.31

Name: Of Herbs and Stewed Rabbit Cost: 2W Type: Enchantment -- Saga Rules Text: (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I -- Put a +1/+1 counter on up to one target creature. Create a Food token. II -- Draw a card. Create a Food token. III -- Create a 1/1 white Halfling creature token for each Food you control. Set/Rarity: Tales of Middle-earth Commander rare Price: $0.48

Name: Off Balance Cost: W Type: Instant Rules Text: Target creature can't attack or block this turn. Set/Rarity: Nemesis common Price: $0.09

Name: Offalsnout Cost: 2B Type: Creature -- Elemental Pow/Tgh: 2/2 Rules Text: Flash When this creature leaves the battlefield, exile target card from a graveyard. Evoke {B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.) Set/Rarity: Morningtide uncommon, Ultimate Masters common Price: $0.03

Name: Offer Immortality Cost: 1B Type: Instant Rules Text: Target creature gains deathtouch and indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) Set/Rarity: Phyrexia: All Will Be One common, Foundations common Price: $0.10

Name: Oft-Nabbed Goat Cost: 1B Type: Creature -- Goat Pow/Tgh: 0/5 Rules Text: {1}: Draw a card. Gain control of this creature and put a -1/-1 counter on it. Only your opponents may activate this ability and only as a sorcery. When this creature dies, if it had one or more -1/-1 counters on it, its owner draws that many cards and each other player loses that much life. Set/Rarity: Lorwyn Eclipsed Commander rare Price: $0.49

Name: Ogre Jailbreaker Cost: 3B Type: Creature -- Ogre Rogue Pow/Tgh: 4/4 Rules Text: Defender This creature can attack as though it didn't have defender as long as you control a Gate. Set/Rarity: Return to Ravnica common, Modern Masters 2017 common Price: $0.02

Name: Ogre Marauder Cost: 1BB Type: Creature -- Ogre Warrior Pow/Tgh: 3/1 Rules Text: Whenever this creature attacks, it gains "this creature can't be blocked" until end of turn unless defending player sacrifices a creature of their choice. Set/Rarity: Betrayers of Kamigawa uncommon Price: $0.22