Name: Mausoleum Secrets Cost: 1B Type: Instant Rules Text: Undergrowth -- Search your library for a black card with mana value less than or equal to the number of creature cards in your graveyard, reveal it, put it into your hand, then shuffle. Set/Rarity: Guilds of Ravnica Promos rare, Guilds of Ravnica rare Price: $0.55

Name: Mausoleum Turnkey Cost: 3B Type: Creature -- Ogre Rogue Pow/Tgh: 3/2 Rules Text: When this creature enters, return target creature card of an opponent's choice from your graveyard to your hand. Set/Rarity: Ravnica: City of Guilds uncommon, Conspiracy: Take the Crown uncommon, Jumpstart uncommon, Ravnica Remastered uncommon, Ravnica: Clue Edition uncommon Price: $0.03

Name: Mavinda, Students' Advocate Cost: 2W Type: Legendary Creature -- Bird Advisor Pow/Tgh: 2/3 Rules Text: Flying {0}: You may cast target instant or sorcery card from your graveyard this turn. If that spell doesn't target a creature you control, it costs {8} more to cast this way. If that spell would be put into your graveyard, exile it instead. Activate only once each turn. (You still pay the spell's costs. Timing rules for the spell still apply.) Set/Rarity: Magic Online Promos mythic, Strixhaven: School of Mages mythic, Strixhaven: School of Mages Promos mythic Price: $0.46

Name: Mavren Fein, Dusk Apostle Cost: 2W Type: Legendary Creature -- Vampire Cleric Pow/Tgh: 2/2 Rules Text: Whenever one or more nontoken Vampires you control attack, create a 1/1 white Vampire creature token with lifelink. Set/Rarity: Ixalan Promos rare, Ixalan rare, The Lost Caverns of Ixalan Commander rare Price: $0.32

Name: Maw of the Mire Cost: 4B Type: Sorcery Rules Text: Destroy target land. You gain 4 life. Set/Rarity: Innistrad common Price: $0.07

Name: Maw of the Obzedat Cost: 3WB Type: Creature -- Thrull Pow/Tgh: 3/3 Rules Text: Sacrifice a creature: Creatures you control get +1/+1 until end of turn. Set/Rarity: Dragon's Maze uncommon Price: $0.06

Name: Maximum Overdrive Cost: 1B Type: Instant Rules Text: Put a +1/+1 counter on target creature. It gains deathtouch and indestructible until end of turn. Set/Rarity: Aetherdrift common Price: $0.08

Name: Maze Abomination Cost: 5B Type: Creature -- Elemental Pow/Tgh: 4/5 Rules Text: Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) Multicolored creatures you control have deathtouch. Set/Rarity: Dragon's Maze common Price: $0.09

Name: Maze Sentinel Cost: 5W Type: Creature -- Elemental Pow/Tgh: 3/6 Rules Text: Vigilance Multicolored creatures you control have vigilance. Set/Rarity: Dragon's Maze common Price: $0.06

Name: Maze of Ith Type: Land Rules Text: {T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn. Set/Rarity: The Dark uncommon, Magic Online Promos rare, Judge Gift Cards 2009 rare, Legacy Championship mythic, Masters Edition IV rare, From the Vault: Realms mythic, Eternal Masters rare, Double Masters rare, Dominaria Remastered rare Price: $7.92

Name: Maze of Shadows Type: Land Rules Text: {T}: Add {C}. {T}: Untap target attacking creature with shadow. Prevent all combat damage that would be dealt to and dealt by that creature this turn. Set/Rarity: Tempest uncommon, Tempest Remastered uncommon Price: $0.24

Name: Maze's End Type: Land Rules Text: This land enters tapped. {T}: Add {C}. {3}, {T}, Return this land to its owner's hand: Search your library for a Gate card, put it onto the battlefield, then shuffle. If you control ten or more Gates with different names, you win the game. Set/Rarity: Magic Online Promos mythic, Dragon's Maze Promos mythic, Dragon's Maze mythic, Secret Lair Drop mythic, Historic Anthology 3 mythic, The List mythic, Ravnica Remastered mythic, Foundations mythic, Pioneer Masters mythic Price: $0.40

Name: Mazemind Tome Cost: 2 Type: Artifact Rules Text: {T}, Put a page counter on this artifact: Scry 1. (Look at the top card of your library. You may put that card on the bottom.) {2}, {T}, Put a page counter on this artifact: Draw a card. When there are four or more page counters on this artifact, exile it. If you do, you gain 4 life. Set/Rarity: Magic Online Promos rare, Core Set 2021 Promos rare, Core Set 2021 rare, The List rare, The Brothers' War Retro Artifacts rare, Commander Masters rare, Foundations rare Price: $0.17

Name: Meadowboon Cost: 2WW Type: Creature -- Elemental Pow/Tgh: 3/3 Rules Text: When this creature leaves the battlefield, put a +1/+1 counter on each creature target player controls. Evoke {3}{W} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.) Set/Rarity: Morningtide uncommon, Modern Masters uncommon Price: $0.15

Name: Meanders Guide Cost: 2W Type: Creature -- Merfolk Scout Pow/Tgh: 3/2 Rules Text: Whenever this creature attacks, you may tap another untapped Merfolk you control. When you do, return target creature card with mana value 3 or less from your graveyard to the battlefield. Set/Rarity: Lorwyn Eclipsed uncommon Price: $0.23

Name: Measure of Wickedness Cost: 3B Type: Enchantment Rules Text: At the beginning of your end step, sacrifice this enchantment and you lose 8 life. Whenever another card is put into your graveyard from anywhere, target opponent gains control of this enchantment. Set/Rarity: Saviors of Kamigawa uncommon Price: $0.23

Name: Meathook Massacre II Cost: XXBBBB Type: Legendary Enchantment Rules Text: When Meathook Massacre II enters, each player sacrifices X creatures of their choice. Whenever a creature you control dies, you may pay 3 life. If you do, return that card under your control with a finality counter on it. Whenever a creature an opponent controls dies, they may pay 3 life. If they don't, return that card under your control with a finality counter on it. Set/Rarity: Duskmourn: House of Horror Promos mythic, Duskmourn: House of Horror mythic Price: $2.22

Name: Mech Hangar Type: Land Rules Text: {T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a Pilot or Vehicle spell. {3}, {T}: Target Vehicle becomes an artifact creature until end of turn. Set/Rarity: Kamigawa: Neon Dynasty uncommon Price: $0.40

Name: Mechanical Glider Cost: 1 Type: Artifact -- Equipment Rules Text: When this Equipment enters, attach it to target creature you control. Equipped creature has flying. (It can't be blocked except by creatures with flying or reach.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) Set/Rarity: Avatar: The Last Airbender Eternal common Price: $0.07

Name: Mechanical Mobster Cost: 3 Type: Artifact Creature -- Human Robot Villain Pow/Tgh: 2/1 Rules Text: When this creature enters, exile up to one target card from a graveyard. Target creature you control connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on that creature.) Set/Rarity: Through the Omenpaths common, Marvel's Spider-Man common Price: $0.05