Brain in a Jar - Shadows over Innistrad (SOI)

Brain in a Jar - 2

Artifact

Rare - Shadows over Innistrad (SOI)

1, Tap: Put a charge counter on Brain in a Jar, then you may cast an instant or sorcery card with converted mana cost equal to the number of charge counters on Brain in a Jar from your hand without paying its mana cost.

3, Tap, Remove X charge counters from Brain in a Jar: Scry X.