Name: Mark of the Oni Cost: 2B Type: Enchantment -- Aura Rules Text: Enchant creature You control enchanted creature. At the beginning of the end step, if you control no Demons, sacrifice this Aura. Set/Rarity: Betrayers of Kamigawa uncommon Price: $0.31

Name: Mark of the Vampire Cost: 3B Type: Enchantment -- Aura Rules Text: Enchant creature Enchanted creature gets +2/+2 and has lifelink. Set/Rarity: Magic 2013 common, Duel Decks: Sorin vs. Tibalt common, Magic 2014 common, Ixalan common, Ultimate Masters common, Jumpstart common, The List common Price: $0.07

Name: Marked by Honor Cost: 3W Type: Enchantment -- Aura Rules Text: Enchant creature Enchanted creature gets +2/+2 and has vigilance. (Attacking doesn't cause it to tap.) Set/Rarity: Magic 2015 common, Welcome Deck 2016 common, The List common Price: $0.06

Name: Market Gnome Cost: W Type: Artifact Creature -- Gnome Pow/Tgh: 0/3 Rules Text: When this creature dies, you gain 1 life and draw a card. When this creature is exiled from the battlefield while you're activating a craft ability, you gain 1 life and draw a card. Set/Rarity: The Lost Caverns of Ixalan uncommon Price: $0.11

Name: Marketback Walker Cost: XX Type: Artifact Creature -- Construct Pow/Tgh: 0/0 Rules Text: This creature enters with X +1/+1 counters on it. {4}: Put a +1/+1 counter on this creature. When this creature dies, draw a card for each +1/+1 counter on it. Set/Rarity: Aetherdrift rare, Aetherdrift Promos rare Price: $0.48

Name: Marketwatch Phantom Cost: 1W Type: Creature -- Spirit Detective Pow/Tgh: 2/2 Rules Text: Whenever another creature you control with power 2 or less enters, this creature gains flying until end of turn. Set/Rarity: Murders at Karlov Manor common Price: $0.02

Name: Markov Baron Cost: 2B Type: Creature -- Vampire Noble Pow/Tgh: 2/2 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.) Lifelink Other Vampires you control get +1/+1. Madness {2}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) Set/Rarity: The List uncommon, March of the Machine: The Aftermath uncommon Price: $0.21

Name: Markov Crusader Cost: 4B Type: Creature -- Vampire Knight Pow/Tgh: 4/3 Rules Text: Lifelink This creature has haste as long as you control another Vampire. Set/Rarity: Eldritch Moon uncommon, Jumpstart: Historic Horizons uncommon Price: $0.12

Name: Markov Dreadknight Cost: 3BB Type: Creature -- Vampire Knight Pow/Tgh: 3/3 Rules Text: Flying {2}{B}, Discard a card: Put two +1/+1 counters on this creature. Set/Rarity: Magic Online Promos rare, Shadows over Innistrad Promos rare, Shadows over Innistrad rare Price: $0.16

Name: Markov Patrician Cost: 2B Type: Creature -- Vampire Pow/Tgh: 3/1 Rules Text: Lifelink (Damage dealt by this creature also causes you to gain that much life.) Set/Rarity: Innistrad common Price: $0.08

Name: Markov Purifier Cost: 1WB Type: Creature -- Vampire Cleric Pow/Tgh: 2/3 Rules Text: Lifelink At the beginning of your end step, if you gained life this turn, you may pay {2}. If you do, draw a card. Set/Rarity: Innistrad: Crimson Vow uncommon, Innistrad: Double Feature uncommon Price: $0.09

Name: Markov's Servant Type: Creature -- Vampire Pow/Tgh: 4/4 Rules Text: [Back face. Transforms from Chosen of Markov. B color indicator.] Set/Rarity: Dark Ascension common Price: $0.11

Name: Marrow Bats Cost: 4B Type: Creature -- Bat Skeleton Pow/Tgh: 4/1 Rules Text: Flying Pay 4 life: Regenerate this creature. Set/Rarity: Avacyn Restored uncommon, Commander 2013 uncommon Price: $0.10

Name: Marrow Shards Cost: {W/P} Type: Instant Rules Text: ({W/P} can be paid with either {W} or 2 life.) Marrow Shards deals 1 damage to each attacking creature. Set/Rarity: New Phyrexia uncommon Price: $0.23

Name: Marrow-Gnawer Cost: 3BB Type: Legendary Creature -- Rat Rogue Pow/Tgh: 2/3 Rules Text: All Rats have fear. {T}, Sacrifice a Rat: Create X 1/1 black Rat creature tokens, where X is the number of Rats you control. Set/Rarity: Champions of Kamigawa rare, Salvat 2005 rare, Hachette UK rare, Secret Lair Drop rare, The List rare, Jumpstart: Historic Horizons rare, Bloomburrow Commander rare Price: $14.53

Name: Marsh Casualties Cost: BB Type: Sorcery Rules Text: Kicker {3} (You may pay an additional {3} as you cast this spell.) Creatures target player controls get -1/-1 until end of turn. If this spell was kicked, those creatures get -2/-2 until end of turn instead. Set/Rarity: Zendikar uncommon, Duel Decks: Jace vs. Vraska uncommon, Duel Decks: Zendikar vs. Eldrazi uncommon Price: $0.12

Name: Marsh Flats Type: Land Rules Text: {T}, Pay 1 life, Sacrifice this land: Search your library for a Plains or Swamp card, put it onto the battlefield, then shuffle. Set/Rarity: Magic Online Promos rare, Zendikar rare, Zendikar Expeditions mythic, Modern Masters 2017 rare, Secret Lair: Ultimate Edition rare, Zendikar Rising Expeditions mythic, Modern Horizons 2 Promos rare, Modern Horizons 2 rare, Special Guests mythic Price: $22.57

Name: Marsh Flitter Cost: 3B Type: Creature -- Faerie Rogue Pow/Tgh: 1/1 Rules Text: Flying When this creature enters, create two 1/1 black Goblin Rogue creature tokens. Sacrifice a Goblin: This creature has base power and toughness 3/3 until end of turn. Set/Rarity: Lorwyn uncommon, Modern Masters uncommon, Zendikar Rising Commander uncommon, The List uncommon Price: $0.08

Name: Marsh Gas Cost: B Type: Instant Rules Text: All creatures get -2/-0 until end of turn. Set/Rarity: The Dark common, Fourth Edition common, Fourth Edition Foreign Black Border common, Renaissance common Price: $0.11

Name: Marsh Hulk Cost: 4BB Type: Creature -- Zombie Ogre Pow/Tgh: 4/6 Rules Text: Megamorph {6}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) Set/Rarity: Dragons of Tarkir common, The List common Price: $0.04