Card Codex

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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
Permafrost Trap 2UUInstant — Trap If an opponent had a green creature enter the battlefield under their control this turn, you may pay {U} rather than pay this spell's mana cost. Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
Dark Dabbling 2BInstant Regenerate target creature. Draw a card. (The next time the creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.) Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, also regenerate each other creature you control.
Rending Vines 1GGInstant — Arcane Destroy target artifact or enchantment if its mana value is less than or equal to the number of cards in your hand. Draw a card.
Detonate XRSorcery Destroy target artifact with mana value X. It can't be regenerated. Detonate deals X damage to that artifact's controller.
Bond of Insight 3USorcery Each player mills four cards. Return up to two instant and/or sorcery cards from your graveyard to your hand. Exile Bond of Insight.
Glimpse the Cosmos 1USorcery Look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. As long as you control a Giant, you may cast Glimpse the Cosmos from your graveyard by paying {U} rather than paying its mana cost. If you cast Glimpse the Cosmos this way and it would be put into your graveyard, exile it instead.
Volcanic Wind 4RRSorcery Volcanic Wind deals X damage divided as you choose among any number of target creatures, where X is the number of creatures on the battlefield as you cast this spell.
Hobbit's Sting 1WInstant Hobbit's Sting deals X damage to target creature, where X is the number of creatures you control plus the number of Foods you control.
Sudden Insight 4UUInstant Draw a card for each different mana value among nonland cards in your graveyard.
Common Courtesy 2UUEnchantment Whenever a player casts a spell without asking your permission while casting it, counter that spell. When a player asks you permission to cast a spell and you refuse, counter that spell and sacrifice Common Courtesy.
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