Radiant Greninja can currently be found in several decks, like Gardevoir ex, Palkia-Dusknoir, Raging Bolt-Ogerpon ex, and even Lost Zone Box
There is no way you can leave a card revealed this way on top of your library
(Some of them would take up more room than we have in the text box by themselves, but you probably won't control that many lands.) In case you do end up with more than 31 lands, the remaining prime numbers below 100 are 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97
You need to jam three combat tricks at once and if at least one of those grants double strike, this could be a one-hit KO
I know multiple people that say Rocket is their favorite set." The card backs flaunt the Pokmon name and branding and have blue borders