For collections at meaningful value: Look for UL safes rated for both fire and water (some carry UL Class 125 fire plus ETL water-resistance testing)
This Pikachu sports a closed mouth, which in a way makes it look quite a bit more pleased with itself than the silver one
Pokmon Center, Target, and Walmart all run bot-detection checks that check your IP address before checkout even begins
Whether for nostalgia, competitive history, or long-term investment, Exodia the Forbidden One is an endgame treasure in the Yugioh world
Impulse was the first instant that was cheap, put the card in your hand, and then cleared the crap off the top of your library, and many other effects that would get printed later would follow
Add in some straight-up theft of other players cards and it really does have an answer for just about anything