As long as Shinx has any Energy attached to it, Shinx has no Weakness
A preemptive Wrath of God is about as good as you can hope for a non-Fog, non-Counter solution
If you cheat it onto the battlefield with Sorin, Imperious Bloodlord, you can skip its hefty 7-mana cost and get straight to the good stuff: conjuring a card from its spellbook to cast for free that turn
And one of the coolest sets you can probably own is a poncho set of the Pikachus. The growing value of Poncho Pikachu joins wider demand for Pokmon cards this year, spurred in part by the official launch of Pokmon cards translated into Simplified Chinese last October, opening up the TCG to players in mainland China
Id slip it into a deck with some ways to recoup your life, and potentially ways to reset it by bouncing it, such as Master Transmuter, or blinking it, such as Teleportation Circle