Name: Their Number Is Legion Cost: XBBBB Type: Sorcery Rules Text: Create X tapped 2/2 black Necron Warrior artifact creature tokens, then you gain life equal to the number of artifacts you control. Exile Their Number Is Legion. You may cast this card from your graveyard. Set/Rarity: Warhammer 40,000 Commander rare Price: $0.95

Name: Thermal Glider Cost: 2W Type: Creature -- Human Rebel Pow/Tgh: 2/1 Rules Text: Flying, protection from red Set/Rarity: Mercadian Masques common Price: $0.16

Name: Thermal Navigator Cost: 3 Type: Artifact Creature -- Construct Pow/Tgh: 2/2 Rules Text: Sacrifice an artifact: This creature gains flying until end of turn. Set/Rarity: Fifth Dawn common Price: $0.21

Name: Thespian's Stage Type: Land Rules Text: {T}: Add {C}. {2}, {T}: This land becomes a copy of target land, except it has this ability. Set/Rarity: Gatecrash rare, Ultimate Masters rare, Commander 2019 rare, Secret Lair Drop rare, Double Masters rare, The List rare, Explorer Anthology 3 rare, Doctor Who rare, Ravnica Remastered rare, Modern Horizons 3 Commander rare, Mystery Booster 2 rare, Edge of Eternities: Stellar Sights rare Price: $0.40

Name: Thief of Blood Cost: 4BB Type: Creature -- Vampire Pow/Tgh: 1/1 Rules Text: Flying As this creature enters, remove all counters from all permanents. This creature enters with a +1/+1 counter on it for each counter removed this way. Set/Rarity: Commander 2015 uncommon, Legendary Cube Prize Pack rare, Commander Anthology uncommon Price: $9.15

Name: Thief of Hope Cost: 2B Type: Creature -- Spirit Pow/Tgh: 2/2 Rules Text: Whenever you cast a Spirit or Arcane spell, target opponent loses 1 life and you gain 1 life. Soulshift 2 (When this creature dies, you may return target Spirit card with mana value 2 or less from your graveyard to your hand.) Set/Rarity: Champions of Kamigawa uncommon, Modern Masters 2015 common Price: $0.11

Name: Thieves' Guild Enforcer Cost: B Type: Creature -- Human Rogue Pow/Tgh: 1/1 Rules Text: Flash Whenever this creature or another Rogue you control enters, each opponent mills two cards. As long as an opponent has eight or more cards in their graveyard, this creature gets +2/+1 and has deathtouch. Set/Rarity: Magic Online Promos rare, Core Set 2021 rare, Core Set 2021 Promos rare, Foundations Jumpstart rare Price: $0.23

Name: Thieves' Tools Cost: 1B Type: Artifact -- Equipment Rules Text: When this Equipment enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Equipped creature can't be blocked as long as its power is 3 or less. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.) Set/Rarity: Adventures in the Forgotten Realms common, Commander Legends: Battle for Baldur's Gate common, Alchemy Horizons: Baldur's Gate common, Foundations Jumpstart common Price: $0.10

Name: Thieving Amalgam Cost: 5BB Type: Creature -- Ape Snake Pow/Tgh: 6/7 Rules Text: At the beginning of each opponent's upkeep, you manifest the top card of that player's library. (Put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) Whenever a creature you control but don't own dies, its owner loses 2 life and you gain 2 life. Set/Rarity: Commander 2019 rare, Outlaws of Thunder Junction Commander rare Price: $0.45

Name: Thieving Sprite Cost: 2B Type: Creature -- Faerie Rogue Pow/Tgh: 1/1 Rules Text: Flying When this creature enters, target player reveals X cards from their hand, where X is the number of Faeries you control. You choose one of those cards. That player discards that card. Set/Rarity: Lorwyn common, Modern Masters common Price: $0.22

Name: Thieving Varmint Cost: 1B Type: Creature -- Varmint Pow/Tgh: 2/1 Rules Text: Deathtouch, lifelink {T}, Pay 1 life: Add two mana of any one color. Spend this mana only to cast spells you don't own. Set/Rarity: Outlaws of Thunder Junction Commander rare Price: $2.84

Name: Thinking Cap Cost: 1 Type: Artifact -- Equipment Rules Text: Equipped creature gets +1/+2. Equip Detective {1} Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.) Set/Rarity: Murders at Karlov Manor common Price: $0.09

Name: Thirsting Axe Cost: 3 Type: Artifact -- Equipment Rules Text: Equipped creature gets +4/+0. At the beginning of your end step, if equipped creature didn't deal combat damage to a creature this turn, sacrifice it. Equip {2} Set/Rarity: Eldritch Moon uncommon Price: $0.09

Name: Thirsting Bloodlord Cost: 2BB Type: Creature -- Vampire Pow/Tgh: 3/3 Rules Text: Other Vampires you control get +1/+1. Set/Rarity: Core Set 2020 uncommon, The List uncommon, Foundations Jumpstart uncommon Price: $0.20

Name: Thirsting Shade Cost: B Type: Creature -- Shade Pow/Tgh: 1/1 Rules Text: Lifelink {2}{B}: This creature gets +1/+1 until end of turn. Set/Rarity: Ravnica Allegiance common Price: $0.10

Name: This Is How It Ends Cost: 3B Type: Instant Rules Text: Target creature's owner shuffles it into their library, then faces a villainous choice -- They lose 5 life, or they shuffle another creature they own into their library. Set/Rarity: Doctor Who rare Price: $0.29

Name: Thistledown Players Cost: 2W Type: Creature -- Mouse Bard Pow/Tgh: 3/3 Rules Text: Whenever this creature attacks, untap target nonland permanent. Set/Rarity: Bloomburrow common Price: $0.06

Name: Thopter Architect Cost: 3W Type: Creature -- Human Artificer Pow/Tgh: 2/3 Rules Text: Whenever an artifact you control enters, target creature gains flying until end of turn. Set/Rarity: The Brothers' War uncommon, Foundations Jumpstart uncommon Price: $0.08

Name: Thopter Arrest Cost: 2W Type: Enchantment Rules Text: When this enchantment enters, exile target artifact or creature an opponent controls until this enchantment leaves the battlefield. Set/Rarity: Aether Revolt uncommon, Kaladesh Remastered uncommon Price: $0.15

Name: Thopter Assembly Cost: 6 Type: Artifact Creature -- Thopter Pow/Tgh: 5/5 Rules Text: Flying At the beginning of your upkeep, if you control no Thopters other than this creature, return this creature to its owner's hand and create five 1/1 colorless Thopter artifact creature tokens with flying. Set/Rarity: Magic Online Promos rare, Mirrodin Besieged Promos rare, Mirrodin Besieged rare, Duel Decks: Elves vs. Inventors rare, Commander 2018 rare, March of the Machine Commander rare Price: $0.36