Being inkable with 3 Strength, 3 Willpower, and 1 Lore makes him very playable so expect him in every Steel deck
Whatever path you prefer with your graveyard superstars, you should try and sprinkle in a few medium-cost options and self-discarding ones as well just to reduce the inherent variance of what is essentially an A+B combo, albeit a very nonspecific one
Peacocks text box suggests two deckbuilding avenues: first, artifacts that youd want to sacrifice for a benefit (other than the Clue draw a card ability), and second, you want creatures that give you a benefit by being unblockable (other than just smashing life totals)
That will make you (and me) sad
3 Emberheart Challenger Mousedor Calls For Aid Mono-red decks are losing a bit of power with Kumano Faces Kakkazan finally rotating, however, there's never a better time to play mono-red than during rotation
Those Attractions don't have to still be on the battlefield as you cast Black Hole