Only use around 3-4 level 5 and 6 monsters, and 1-2 level 7 and up monsters, unless your high-level monsters are readily summonable
Buy Standard size sleeves (often listed around 66 x 91 mm ) for basically every normal MTG card you play
Does the sleeve fit a bit too tight and warp your cards in any way
Misaki defeats Breo, but is defeated by Andre
Also, because it is compatible with "Buster Mode," you can effectively use "Psychic Reflector", which supports "Buster Mode," in the [Synchron] deck as well (details below)
There are also Reverse Duels where you play as the antagonist, local and online multiplayer, and Sealed and Draft Battle Modes for that tournament-like feel