What rarely gets a mention is the monsters required to actually synchro summon in the first place tuner monsters
Repeating the simple, easy arena in the first town nets you a pack of Option cards
For instance, in the OCG, almost every deck will contain the same nine cards (three Maxx "Cs," three Ash Blossom & Joyous Springs, two Called By the Graves, and one Crossout Designator) all dedicated to both countering and resolving Maxx "C." This also means that players must always build their decks with a backup plan in case the opponent successfully resolves Maxx "C," leading to OCG players experimenting with alternative strategies and win conditions
The unique plastic holders used by CGC are designed to accommodate unusually sized cards, like smaller errors and misprints or cards up to 7.25mm thick
After all, why would anyone cast a card that says, "You lose the game"
If nothing else, a quick Google search will help when evaluating a card you can simply compare pictures