When creating Pokemon VMAX, we experimented with oversize cards but quickly realized that going that route would limit the ways in which we could get the cards in players hands while also preventing players from using their existing card sleeves and cases, making it harder for certain players to enjoy playing the game. First Turn Rule Change Now were moving on to the big rule change: the player who goes first may no longer use a Supporter card on their first turn
You can read about the official rules of the Enchant World here
Some rebacked cards are made when the back of the card was considered marked or unplayable, and someone put the front on a new back to allow the card to be "playable" again
If each target chosen is an illegal target as that spell or ability tries to resolve, it wont resolve
You'll need to exert the Combat Celebrants one at a time, in multiple combat phases, to untap your attacking creatures and attack with them in each combat step
This tells you how often the card actually hits the top grade and is the single most important number when deciding whether a submission makes financial sense