PSA 10 vs 9 vs 8 A PSA 10 is essentially a perfect cardextremely well-centered, pristine corners, and no surface damage, blemishes, or imperfections
When Tom, Bert, and William die, if they were a creature, return them to the battlefield
If at least four mana was spent to cast it appears in the rules text
Even better, you can still interact with it with no problem whatsoever, letting you upgrade it any way you like with all sorts of Equipment and Auras
which, in turn, encourages more of the same behaviour
Honestly, if it werent for WotC laying the groundwork, we might all be out here playing Digimon instead