Special Summon 1 “Time Thief” monster from your hand. During your Main Phase: You can banish this card from the GY, then target 1 “Time Thief” Xyz Monster you control; attach 3 different “Time Thief” cards (Monster, Spell, Trap) from your GY to the target as Xyz Material.You can only use each effect of "Time Thief Startup" once per turn.