Timaeus the United Magical Dragon

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"Dark Magician" or "Dark Magician Girl" + 1 Dragon or Spellcaster monster After this card is Special Summoned, it is unaffected by other cards' effects until the end of your next turn. You can only use each of the following effects of "Timaeus the United Magical Dragon" once per turn. If this card battles, during damage calculation: You can make this card gain 100 ATK for each Spell in the GYs and banishment. During your opponent's turn (Quick Effect): You can target 1 Spell/Trap on the field; destroy it.