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

Legalities

tlrlegal

duellegal

brawllegal

pennylegal

PreDH

Rulings · 4

2016-04-08wotc

If the card has {X} in its mana cost, you must choose 0 as the value of X.

2016-04-08wotc

When resolving the first ability of Brain in a Jar, the newly-placed charge counter will be counted when determining what spells you may cast. No player may take any action between you placing the counter and choosing which spell to cast.

2016-04-08wotc

If you cast a card “without paying its mana cost,” you can’t choose to cast it for any alternative costs, such as awaken costs. You can, however, pay additional costs, such as kicker costs. If the card has any mandatory additional costs, such as that of Lightning Axe, you must pay those to cast the card.

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