The Wizard casting this Spell can immediately cast hidden an additional Spell.
Draw a card.
Useful for casting your hidden Spells, especially those with Continuous.
Drawing a card is always important.
Strategies and game play:
Although any hidden spell could be played, I would aim at the spells with Continuous if cast hidden. You might be prepared to lose this challenge, just to set up some nice trick for the next challenge.
Any mage can use this card to cast a hidden spell.
You can draw a card.
Since its MP is 0, it is all about the MP of the spell cast hidden.
My rating: 6.5