Crown Dragon of Myusterion
Level 8 LIGHT
Spellcaster / Fusion / Effect
1 Spellcaster Monster + 1 Dragon Monster
You can only use the  effect of this card once per turn.
Cannot be used as Fusion Material.
 Loses ATK equal to the number of your banished cards x100.
 If a monster(s) is Special Summoned by its own activated effect or the activated effect of a monster with the same Type: You can target 1 of those Special Summoned monsters; Banish all monsters on the field with the same Type.