If you want unique artwork (as opposed to holo/non-holo variants) here are the remaining Japanese exclusive arts: Rayquaza ex from the Gift Box Emerald Rayquaza ex from the Master Kit Deoxys ex from the Gift Box Emerald (non-holo) Ho-Oh ex PLAY promo Lugia ex PLAY promo Jirachi ex PLAY promo Latias ex from the Latias/Latios Gift Box Latios ex from the Latias/Latios Gift Box I think thats all of them, but I may be missing some
This can have value in aggressive decks that have burn spell instants to back up the creatures
The Caesar, Legion's Emperor display commander card is printed with the foil-etched treatment on thick cardstock (great for showing off your commander but not legal in sanctioned play)
Similar to Simocchi, recovery is replaced by damage only for the opponent player, and it is superior to handling over there, which is a Continuous Trap
9 Mint A Mint 9 is a super clean condition card that usually only has one minor flaw such as a white spot on the back, a minor printing issue, or minor scratches
Note that this triggers whenever any Dragon we control deals combat damage