Tempest Magician Secret Rare

1 Tuner + 1 or more non-Tuner Spellcaster-Type monsters When this card is Synchro Summoned, place 1 Spell Counter on it. Once per turn, you can discard any number of cards to place 1 Spell Counter on a monster(s) you control for each card you discarded. You can remove all Spell Counters on the field to inflict 500 damage to your opponent for each removed Spell Counter.