If the Vanguard format were to see a modern resurgence, I suspect these would spike in price
This also brings up a weird, but nice limitation of being able to cast this only during a very limited time, but you can draw quite a few cards, if you are just ready to discard many of them and lose some life
Flexible Lightning Bolt Proxies Incinerate Lightning Strike Searing Spear Volcanic Hammer All of these cards are basically worse than Lightning Bolt
They hold up to 30 minutes of shuffling without a problem, and pretty much every sleeve still looks brand new
In Limited, however, having an evasive mana sink like this can be a reliably solid game-ender, as it can represent a lot of damage without necessarily being the most urgent removal target
General rule of thumb is 60 cards per player with a minimum being 240 to support 480