Well, while it does do an excellent job at that (something which I think doesnt get as much respect as it deserves, considering the rather disgusting loops you can do with Dockside Extortionist and Corpse Dance or even just a classic Vilis, Broker of Blood), Grafdiggers Cages real cEDH power lies in the second line of text, Players cant cast spells from graveyards or libraries. Ive mentioned it once before but it bears repeating: Underworld Breach
Not only do you need to be consistently attacking with your Commander or blinking it to get the most out of this enchantment, you also need a high density of legends in your deck to maximize the effect
Boomstacker Boomstacker is kind of like a better-designed Orcish Paratroopers
Its a good white removal spell, and its great value if you can hard cast it
Boros Charm, along with the printing of Boltwave, gives Red decks a new identity in Standard, allowing for a Burn shell to exist, with already existing cards like Monastery Swiftspear, Lightning Strike, and Screaming Nemesis
That's simple enough in theory, but the problem is that it takes a while to gather ten luck counters, which gives your opponents time to take out the enchantment before you win