Can <<10326>> be activated targeting an <<7491>> whose name is being treated as "<<4041>>" by its own effect?
Answer: <<10326>> can be activated targeting an <<7491>> whose name is being treated as "<<4041>>" by its own effect. Even in that case, that <<7491>> is sent to the Graveyard, and 1 Fusion Monster that lists <<4041>> as its Fusion Material is Special Summoned from the Extra Deck.
Cards related to this ruling
DARK
7ATK:
2500
DEF:
2100
''The ultimate wizard in terms of attack and defense.''
LIGHT
4ATK:
1700
DEF:
1100
Once per turn: You can reveal 1 Fusion Monster from your Extra Deck, then send 1 of the Fusion Materials whose name is specifically listed on that card from your Deck to the Graveyard; this card's name becomes the sent monster's until the End Phase.
Spell
Normal(This card is also always treated as "Legendary Dragon Timaeus".) Target 1 "Dark Magician" monster you control; Fusion Summon 1 Fusion Monster from your Extra Deck that lists that monster on the field as Fusion Material, using it as the Fusion Material. You can only activate 1 "The Eye of Timaeus" per turn.