The biggest difference in EDH is that you have to sac it or donate it, because a 6/6 wont be winning you any games by itself
The Monsters Nezahal, Primal Tide (Lagiacrus, Lord of the Seas) - $8 Nonfoil / $22 Foil Drakuseth, Maw of Flames (Rathalos, King of the Skies) - $0.55 Nonfoil / $0.80 Foil Ziatora, the Incinerator (Fatalis, the Black Dragon) - $0.40 Nonfoil / $1.10 Foil Vaevictis Asmadi, the Dire (Nergigante, Herald of Destruction) - $0.60 Nonfoil / First foil printing Sarulf, Realm Eater (Zinogre, Lord of Lightning) - $0.35 Nonfoil / $0.95 Foil Total = $9.90 Nonfoil / $24.85 Foil Things get a tiny bit better when we look at The Monsters, but not a lot
Destroy target artifact
There are a few things that make House of Leaves complex
Find Your End Goal Self-milling puts cards into your graveyard, but to what end