Collectors typically reference sold listings from major marketplaces and auction houses, along with professional grading results from companies like PSA, BGS, or CGC
For a greater delve into physical card collecting, take a look at these shiny rare Pokmon cards
If Mishra, Claimed by Gix and a creature named Phyrexian Dragon Engine are attacking, and you both own and control them, exile them, then meld them into Mishra, Lost to Phyrexia
But the real thrill comes with the chance to find coveted holofoil cards, reverse holos, EX cards, Mega EX cards, and more
Its the same for my pack bundles, I have multiple bundles of loose packs for sale
Putting something on the battle covering something doesnt mean anything in the rules