Nimble Stutterspell

Return Nimble Stutterspell to your hand: Add X
mana of any color to your mana pool, where X
is equal to the number instant and sorcery spells
you've cast or copied this turn. This mana can't
be spend to cast creature spells.
The tiny wizards of the enchanted forrest vanished
quicker than the spells they casted, only to reappear
moments later.