Time Thief Retrograde – (Ignition Assault) – (IGAS-EN075) – (Common)

When a Spell/Trap Card is activated while you control a “Time Thief” Xyz Monster: Negate the activation, and if you do, attach that card to a “Time Thief” Xyz Monster you control as material. You can only activate 1 “Time Thief Retrograde” per turn.