Blightsteel Colossus - represented by both the Megatron variants - is a powerful staple for any MTG Commander deck, and one of the best MTG indestructible cards out there
Hosts of Mordor Finally, the Hosts of Mordor deck represents Sauron, Saruman, et al
Instead of four-color printings, a traditional foil card takes eight or more to account for printing over this WUP layer
Should it die, the player gains four life, greatly fueling the "lifegain matters" theme of this school
The chances of both players flipping heads on the same toss are low enough that you can assume at least some damage will be dealt
You can also have a legendary-matters build with legendary artifact creatures like K-9, Mark I, Liberator, Urza's Battlethopter, and Imotekh the Stormlord for added artifact and legendary permanent benefits