Often, some special cards are offered to players as a means of celebrating certain events and competitions
The only real challenge I can see for Rocco is the Naya color requirement
Pokemon TCG Pocket has ten rarity tiers: One-Diamond, Two-Diamond, Three-Diamond, Four-Diamond, One-Star, Two-Star, Three-Star, Crown, Shiny One, and Shiny Two
Once set, a player has the opportunity to activate their trap card as soon as the trap conditions have been met
Savage BeatingSavage Beating (27,982 Inclusions, 1% of 2,721,129 Decks) Savage BeatingSavage Beating does fit that "end it earlier" description, and can also get a couple extra mana thrown into it to guarantee the thing with an extra combat