OP-11 offers strong value for both collectors and players
If you're sat there wondering why this particular card is being sold for millions at auctions, allow me to provide you with some context
If such an ability requires a target, you can target a Room even if both of its doors are locked, but the ability won't do anything when it resolves
If a permanent with an ability that triggers "at the beginning of the end step" enters during your first end step, that ability won't trigger during that end step, but it will trigger during your second end step
Without additional counter synergy, Prowler seems a bit meh, but he could still see some play
Here are the cards you need for 'Shiny Museum 4': Any card of Two Rainbow Star rarity Rewards: 36 Wonder Hourglasses, 12 Pack Hourglasses and 10 Shop Tickets