These arent your typical blue-back, green-back, no-number, first-Pokemon-cards-released (but not really) Topsun cards
Vigor doesnt make your creatures any bigger immediately, but using Rikus ability to make a copy of it means that the two Vigors can protect each other while making it a very bad idea to block (or attack into) any of your creatures
The only reason Zapdos Ex is less favorable than Articuno ex, is because it cannot take advantage of Misty for Energy acceleration
Blasphemous Act can cheaply reset the board if things get out of control, and the Primsari deck rounds itself out with cheap but notable cards such as Brainstorm , Faithless Looting and Resculpt so it has something to do in the early game
Either going first or second, play Prank-Kids Place to add a Prank-Kids from deck to hand
Finally, [c]Path to Exile[/c] and [c]Leyline of Sanctity[/c] help out with creature threats and burn, respectively