Mysterion the Dragon Crown

1 Spellcaster monster + 1 Dragon monster
Cannot be used as a Fusion Material. Loses 100 ATK for each of your banished cards. If a monster(s) is Special Summoned by its own activated monster effect, or by the activated effect of a monster with the same original Type as it: You can target 1 of those monsters; banish that target and all monsters with the same original Type as it from the field. You can only use this effect of "Dracrown of Mysterion" once per turn.