Unfortunately, while it is wearing the costume to attempt to look less creepy, it ends up looking a bit more so
There are online marketplaces or stores where you can order Japanese card games, but be careful with your choice, you don't want to spend your precious money to receive fake cards or even never receive them at all because the sender doesn't know how to handle international customs controls properly
Fiendslayer Paladin singlehandedly bricks two of the best aggro decks in the format, Mono-Red Aggro and Mono-Black Aggro
Most games will be spent bouncing between these two abilities, drawing into legendary lords like Arvad, the Cursed or whatever flavor of Akroma/Avacyn youre drawn to
When picking targets you will want to pair your patience with data on which cards are actually being played in multiple archetypes, usually as a 4-of, and in multiple formats