Mysterion the Dragon Crown

1 Spellcaster monster + 1 Dragon monster Cannot be used as Fusion Material. This card loses 100 ATK for each of your banished cards. If a monster uses its activated effect to Special Summon itself, or a monster(s) with its same original Type (except during the Damage Step): You can target 1 of those Special Summoned monsters; banish that monster, also banish all monsters from the field with its same original Type. You can only use this effect of "Mysterion the Dragon Crown" once per turn.

Spellcaster LIGHT Fusion Monster 8 fusion