Your search for "Surprise Box 044/055" revealed the following:
Magneton - 44/135 - Uncommon - Reverse Holo from Black & White: Plasma Storm, available at 401 Games Canada. Rarity: Uncommon Finish: Reverse Holo Artist: MAHOU Card Text:[1] Metal Sound - The Defending Pokemon is now Confused.[1L] Electro Ball (30)...
Take On the Challenge of an Eternity! The hustle and bustle of the city turns into havoc as Mega Floette ex brings turmoil to the streets! Filled with courage and determination, Mega Greninja ex gathers other powerful Mega Evolution Pokémon...