Name: Consumptive Goo Cost: BB Type: Creature -- Ooze Pow/Tgh: 1/1 Rules Text: {2}{B}{B}: Target creature gets -1/-1 until end of turn. Put a +1/+1 counter on this creature. Set/Rarity: Scourge rare Price: $0.47

Name: Contagion Cost: 3BB Type: Instant Rules Text: You may pay 1 life and exile a black card from your hand rather than pay this spell's mana cost. Distribute two -2/-1 counters among one or two target creatures. Set/Rarity: Alliances uncommon, World Championship Decks 1997 uncommon, Deckmasters uncommon, Magic Online Promos rare, Masters Edition rare, Mystery Booster 2 uncommon Price: $0.43

Name: Contagion Clasp Cost: 2 Type: Artifact Rules Text: When this artifact enters, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.) Set/Rarity: Magic Online Promos uncommon, Duel Decks: Elspeth vs. Tezzeret uncommon, Scars of Mirrodin uncommon, Friday Night Magic 2011 rare, Duel Decks: Mirrodin Pure vs. New Phyrexia uncommon, The List uncommon, Time Spiral Remastered special, Phyrexia: All Will Be One Commander uncommon, Fallout uncommon Price: $0.32

Name: Contagion Engine Cost: 6 Type: Artifact Rules Text: When this artifact enters, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate twice. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.) Set/Rarity: Scars of Mirrodin rare, Secret Lair Drop rare, The List rare, Breaking News mythic Price: $4.64

Name: Contagious Nim Cost: 2B Type: Creature -- Phyrexian Zombie Pow/Tgh: 2/2 Rules Text: Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Set/Rarity: Scars of Mirrodin common Price: $0.15

Name: Containment Construct Cost: 2 Type: Artifact Creature -- Construct Pow/Tgh: 2/1 Rules Text: Whenever you discard a card, you may exile that card from your graveyard. If you do, you may play that card this turn. Set/Rarity: The List uncommon, Kamigawa: Neon Dynasty uncommon Price: $0.43

Name: Containment Priest Cost: 1W Type: Creature -- Human Cleric Pow/Tgh: 2/2 Rules Text: Flash If a nontoken creature would enter and it wasn't cast, exile it instead. Set/Rarity: Magic Online Promos rare, Commander 2014 rare, Legendary Cube Prize Pack rare, Amonkhet Invocations special, Ultimate Masters rare, Core Set 2021 Promos rare, Core Set 2021 rare, Time Spiral Remastered special, Mystery Booster 2 rare Price: $0.37

Name: Contaminated Bond Cost: 1B Type: Enchantment -- Aura Rules Text: Enchant creature (Target a creature as you cast this. This card enters attached to that creature.) Whenever enchanted creature attacks or blocks, its controller loses 3 life. Set/Rarity: Mirrodin common, Ninth Edition common, Tenth Edition common Price: $0.10

Name: Contaminated Ground Cost: 1B Type: Enchantment -- Aura Rules Text: Enchant land Enchanted land is a Swamp. Whenever enchanted land becomes tapped, its controller loses 2 life. Set/Rarity: Rise of the Eldrazi common, Gatecrash common Price: $0.10

Name: Contamination Cost: 2B Type: Enchantment Rules Text: At the beginning of your upkeep, sacrifice this enchantment unless you sacrifice a creature. If a land is tapped for mana, it produces {B} instead of any other type and amount. Set/Rarity: Urza's Saga rare, The List rare, Mystery Booster 2 rare Price: $3.42

Name: Contemplation Cost: 1WW Type: Enchantment Rules Text: Whenever you cast a spell, you gain 1 life. Set/Rarity: Stronghold uncommon Price: $0.22

Name: Contested Game Ball Cost: 2 Type: Artifact Rules Text: Whenever you're dealt combat damage, the attacking player gains control of this artifact and untaps it. {2}, {T}: Draw a card and put a point counter on this artifact. Then if it has five or more point counters on it, sacrifice it and create a Treasure token. Set/Rarity: The Lost Caverns of Ixalan uncommon Price: $0.03

Name: Contested War Zone Type: Land Rules Text: Whenever a creature deals combat damage to you, that creature's controller gains control of this land. {T}: Add {C}. {1}, {T}: Attacking creatures get +1/+0 until end of turn. Set/Rarity: Mirrodin Besieged rare, Edge of Eternities: Stellar Sights rare Price: $0.27

Name: Contortionist Otter Storm Type: Stickers Rules Text: {TK}{TK} -- {T}: Target creature gains haste until end of turn. {TK}{TK}{TK}{TK} -- Deathtouch, lifelink {TK}{TK} -- 5/1 {TK}{TK}{TK} -- 3/5 Set/Rarity: Unfinity Sticker Sheets common Price: $0.19

Name: Contraband Livestock Cost: 1W Type: Instant Rules Text: Exile target creature, then roll a d20. 1--9 | Its controller creates a 4/4 green Ox creature token. 10--19 | Its controller creates a 2/2 green Boar creature token. 20 | Its controller creates a 0/1 white Goat creature token. Set/Rarity: The List uncommon, Commander Legends: Battle for Baldur's Gate uncommon Price: $0.21

Name: Contract Killing Cost: 3BB Type: Sorcery Rules Text: Destroy target creature. Create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.") Set/Rarity: Ixalan common, Foundations Jumpstart common Price: $0.05

Name: Contractual Safeguard Cost: 2W Type: Instant Rules Text: Addendum -- If you cast this spell during your main phase, put a shield counter on a creature you control. (If it would be dealt damage or destroyed, remove a shield counter from it instead.) Choose a kind of counter on a creature you control. Put a counter of that kind on each other creature you control. Set/Rarity: New Capenna Commander Promos rare, New Capenna Commander rare Price: $2.37

Name: Convalescence Cost: 1W Type: Enchantment Rules Text: At the beginning of your upkeep, if you have 10 or less life, you gain 1 life. Set/Rarity: Exodus rare Price: $0.32

Name: Convalescent Care Cost: 1WW Type: Enchantment Rules Text: At the beginning of your upkeep, if you have 5 or less life, you gain 3 life and draw a card. Set/Rarity: Onslaught rare Price: $0.33

Name: Convergence of Dominion Cost: 3 Type: Artifact Rules Text: Dynastic Command Node -- As long as you control your commander, activated abilities of cards in your graveyard cost {2} less to activate. This effect can't reduce the mana in that ability's activation cost to less than one mana. Translocation Protocols -- {3}, {T}: Mill three cards. Set/Rarity: Warhammer 40,000 Commander rare Price: $0.63