Mech Basic Lands Urza and Mishra have built enormous war machines for their struggles, and you can see all sorts of these constructs on the mech basic lands

Copy of EDH - Hapatra of Slytherin Copy of EDH - Milltown 1st build Copy of EDH - Permanently Copy of EDH - Whitewash Copy of MOD - Elf-ball V2 EDH - Ch Ch Ch Changelings EDH - Counters Count EDH - Daretti Cmdr 2014 EDH - Elesh, that bitch EDH - Elves of light and shadow EDH - Elvish ways EDH - Exterminator EDH - Gitrog build EDH - I Sacrifice EDH - Karn EDH - Karn V2 EDH - Lordy, Lordy EDH - Melek Madness EDH - Memnarch EDH - Narset Reigns Alone EDH - Nekusar Nastinees EDH - Omnath Elementary EDH - Selesnya Vengance EDH - Serpentine EDH - Shizo EDH - Simic Spymastery EDH - Swamp King Thing EDH - The anti-Sheoldred EDH - Varmints EDH - Voldaren Vamps EDH - Volrath on the cheap EDH - Volrath V1 EDH - Volrath V2 EDH - Volrath V3 Mono EDH - Volrath V4 EDH - Yemaya EDH Captain Sisay ideas EDH Maralen Madness Kyle's Toshiro EDH deck z EDH - Current EDH - 99 cent Wort EDH - Allied Might EDH - Am I a Man or am I a Mountain

They offer good protection against bending or handling, though they are a bit thinner than BGS and CGC slabs
Together with Hibernation Sliver the deck could have good answers to all anti-creature effects other than permanent barricades and have enough copies to make sure that each Sliver wave contained at least one
Carnelian deals a huge 280 damage, more than enough to take down most threats, though it comes with the drawback of preventing Flareon from attacking the next turn
I played both decks against the sets designers and managed to beat them both, a monumental feat for any Magic player