Either one should effectively end the game on the spot with a large enough amount of mana
You can purchase Trick or Trade BOOster Bundles from Amazon, Walmart, Best Buy or other retailers, but if youre after specific cards, TCG Player, Cardmarket or eBay are all good options
They contain a little bit of everything to get a player's collection off the ground, plus an oversized Spindown life counter themed after the set
Id say picking the best place to sell graded Pokmon cards really comes down to what you prioritize: do you want the most cash, the fastest sale, or the easiest process
Attach Nim Deathmantle to Marionette Master, then sacrifice any creature to Ashnod's Altar, floating two colorless mana
Defense How strong your Pokmon is at reducing attack damage