The Eye of Timaeus [DRLG-EN005] Secret Rare Box Topper then choose 1 "Son Gohan:

then choose 1 "Son Gohan: Adolescence"

Set: XY: Phantom Forces Type: Metal Rarity: Ultra Rare Retreat cost: Colorless

Set: Platinum: Base Set Type: Colorless Rarity: Rare Retreat cost: Colorless

This card returns to the owner''s hand during the End Phase of the turn that it is Normal Summoned

Set it to your side of the field

The Eye of Timaeus [DRLG-EN005] Secret Rare Box Topper then choose 1 "Son Gohan:Set: Dragons of Legend Card type: Spell Rarity: Secret Rare (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 a Fusion Material Monster, using it as the Fusion Material. You can only activate 1 "The Eye of Timaeus" per turn.