For raw cards being sent for grading, they should be in a semi-rigid sleeve, sandwiched between cardboard, and secured with bubble wrap to prevent any movement
Players start with the preconstructed decks in their list of decks, though these can be deleted by the player if they desire
But, you say, cant this delay be used against you by the opponent to gain knowledge about set cards? No, you can both suppress the (actual) prompt when you have something on the field, or open a fake prompt at all times
Enchantment Trapped in the Screen Ward (Whenever this enchantment becomes the target of a spell or ability an opponent controls, counter it unless that player pays .) When this enchantment enters, exile target artifact, creature, or enchantment an opponent controls until this enchantment leaves the battlefield
These are not legal to play in tournaments, but some are worth $10 or more as collector's items
7 Crimson Knight Vampire Bram The Rank Five of the Vampire Archetype, Crimson Knight Vampire Bram, is a very good, and hard to get rid of card