Tempest Magician 
Level 6 DARK/Spellcaster Synchro Monster2200 ATK / 1400 DEF
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.
Printings:
Crossroads of Chaos: CSOC-EN088 (Secret Rare) - 2008-11-18Stardust Overdrive: Special Edition: SOVR-ENSE1 (Super Rare) - 2009-12-11
Prices:
Cardmarket: 4.57 €TCGplayer: $ 5.79