Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Brain in a Jar

2 · Artifact

{1}, {T}: Put a charge counter on Brain in a Jar, then you may cast an instant or sorcery spell with mana value equal to the number of charge counters on Brain in a Jar from your hand without paying its mana cost. {3}, {T}, Remove X charge counters from Brain in a Jar: Scry X.

Similar cards

Color identity:
NameManaTypeText
Knollspine Invocation 1RREnchantment {X}, Discard a card with mana value X: Knollspine Invocation deals X damage to any target.
Trelasarra, Moon Dancer GWLegendary Creature — Elf Cleric Whenever you gain life, put a +1/+1 counter on Trelasarra, Moon Dancer and scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) 2/2
Capricious Hellraiser 3RRRCreature — Phyrexian Dragon This spell costs {3} less to cast if you have nine or more cards in your graveyard. Flying When Capricious Hellraiser enters the battlefield, exile three cards at random from your graveyard. Choose a noncreature, nonland card from among them and copy it. You may cast the copy without paying its mana cost. 4/4
Kardum, Patron of Flames 2RRLegendary Creature — Demon Haste Whenever Kardum, Patron of Flames attacks, put a flame counter on it, then seek a card with mana value equal to the number of flame counters on it and exile that card face down. When Kardum dies, put all cards you own exiled with it into your hand. At the beginning of the end step of your next turn, discard those cards. 4/3
Monoskelion 2Artifact Creature — Construct Monoskelion enters the battlefield with a +1/+1 counter on it. {1}, Remove a +1/+1 counter from Monoskelion: It deals 1 damage to any target. 1/1
Mocking Sprite 2UCreature — Faerie Rogue Flying Instant and sorcery spells you cast cost {1} less to cast. 2/1
Urabrask 2RRLegendary Creature — Phyrexian Praetor First strike Whenever you cast an instant or sorcery spell, Urabrask deals 1 damage to target opponent. Add {R}. {R}: Exile Urabrask, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if you've cast three or more instant and/or sorcery spells this turn. 4/4
Pelargir Survivor 1UCreature — Human Peasant {T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell. {5}{U}, {T}: Target player mills three cards. (They put the top three cards of their library into their graveyard.) 1/3
Devastating Mastery 2WWWWSorcery You may pay {2}{W}{W} rather than pay this spell's mana cost. If the {2}{W}{W} cost was paid, an opponent chooses up to two nonland permanents they control and returns them to their owner's hand. Destroy all nonland permanents.
Oaken Brawler 3WCreature — Treefolk Warrior When Oaken Brawler enters the battlefield, clash with an opponent. If you win, put a +1/+1 counter on Oaken Brawler. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.) 2/4
Page 127