Hyperbolic Time Chamber (SB02-016) [Manga Booster 02 Release Event Cards]

Product Details

[Field] (This card remains in your Battle Area until you place another [Field].)
[Permanent] If your Leader is "Trunks : Future" and [Evolve] would activate on a Battle Card with "Saiyan" in its special traits from your hand, you can choose a card from under this card in a Battle Area.