Captain Howler, Sea Scourge
PokeBeach reports the set spans all ten Pokemon generations, features new Mew and Mewtwo key art, and will be distributed through Elite Trainer Boxes, Collection Boxes, and an Ultra-Premium Collection
Ok Chatot #1003 (Pokemon Chinese Gem Pack 4) Details All prices are the current market price
That being said, all the best red token generators can be roughly grouped into: Those that create Treasures, Those that create a copy of a creature you control, usually exiling or sacrificing it at the end of combat or end of turn, Those that spawn 1/1 creature tokens, Those that create some really big dragons
These are for use in competitive play