Special Summon it and this card, also your cannot Special Summon from the Extra Deck for the rest of this turn, except Machine monsters
Mew ex also requires three Colorless-Type Energies for its Genome Hacking
They dont have a basic land type, so these lands are only searchable by effects that grab any land, nonbasic lands, or caves themselves
Bria's final ability disincentivizes combat tricks : making your creatures unblockable is only useful before your opponent has an opportunity to declare blockers, so you shouldn't feel bad about using lots of sorcery-speed effects during your precombat main phase
Even people who havent played the game in a decade know of its fearsome strength and legendary status
Focus on the game, not the clutter