Justin Wilson estimates his collection of around 500 cards and 100 sealed items is worth about $100,000
White will make you a 1/1 dork, Blue will scry 2, Red will Bolt a foe, and Green will +4/+4 a dork
For instance, if Lorehold's effect was a loot (drawing then discarding) instead of a rummage, the combo wouldn't be nearly so clean (it would still be powerful, just a little easier for your opponents to disrupt)
When cards like Accumulated Knowledge and Intuition come cheap, lots of cards get drawn and soon after that games tend to end quickly
You already know about eBay, but make sure youre able to see foreign sellers as well (I think sometimes this gets disabled in settings, I dont know, I always look at it on my phone)
There are plenty of Magic cards that get larger as more of its kind arrives , and there are plenty of Magic cards that enter the battlefield larger the more kindred creatures there are