The Most Expensive Cards In Team Up From The Pokemon TCG Unboxing Pokemon 151 Japanese Booster Box Vintage Pokemon Cards Japanese 151 Booster Box [Sealed] Common Lands Pokmon TCG: Mega EvolutionAscended Heroes Expansion Overview One of the biggest winners this year in pokemon card investments? Team Up booster boxes. At the beginning of the year you could have purchased a box for slightly under $3,000. Today