Mithril Coat Taking Darksteel Plate, giving it flash, and letting it attach itself to a legendary creature when it enters the battlefield makes Mithril Coat an incredibly potent card for any deck where your commander is a creature that ends up dying a lot
Green Goblin, Revenant On the surface Green Goblin, Revenant reads as a regular old rummage
You need to sacrifice artifacts to generate mana with Radiant Lotus, but you can sacrifice as many as you want at one time
With Ojer Taq, Deepest Foundation and Anointed Procession, your army of 1/1s can grow exponentially before capping them off with Jor Kadeen, the Prevailer and Tempered Steel
Looking at Bennie's EDHREC page, the support for the strategy is certainly there
Monumental Henge just wants you to read your history textbook, and can be valuable card advantage in white decks that use historic permanents