[BT15-068] Kaio-Ken Son Goku, Confronting Invasion

[Unique] [Barrier]
[Activate:Main] [Limit 1] G, if there are a total of 4 "King Kai's Training" in your Warp and/or under a "King Kai's Planet" in your Battle Area, and you send this card to its owner's Warp : Play up to 1 "Son Goku, Maximum Gains" from your deck, then shuffle your deck.