In the casual Commander variant, you can use an oversize card as your commander - a commander starts the game face up on the table and tends to stay that way, so as above it doesn't hurt that it's oversized
Reserves Although, most of the lots (99.5%) in the sale are offered without reserve, some lots in the sale may be subject to a reserve which is the confidential minimum price below which such lot will not be sold
Normally these cards arent actually playable in a match, though, so you shouldnt worry about needing to get sleeves for them, but you may become concerned with finding a way to actually store the cards
And, players are generally always looking for ways to add more cards to their hand
Whether you're a player looking to add a powerful Dark-type to your deck or a savvy collector hunting for a gem that appreciates over time, Darkrai GX is a must-have
That's pretty good on its own, but the additional ability that stops opponents from casting spells on your turn means no counters and no surprises