Altered cards are tournament legal so long as the modifications (1) do not make the card art unrecognizable, (2) do not contain substantial strategic advice, (3) do not contain offensive images, (4) do not obstruct or change the mana cost or name of the card, and (5) cannot be construed as a marked card (must not be identifiable from any other card in a players deck)
How Likely are Rad Counters to be Printed Again
So which are the most valuable cards in Retro Pack
Kyogre EX #54 Pokemon Primal Clash Keep track of your collection value over time
Adric, Mathematical Genius Marcy: WOTC once again continues trying to see how many ways they can print Panharmonicon, althought his time we get it included with a built in Stifle effect, which I think might actually be the better use for this card than the copy ability
Destroy this card during the Endphase of your next turn, and SS 1 "Scout Corps Member"