Credit: Wizards of the Coast Line Cutter FromTheShire: Is this worth reanimating over and over to get another crack at your funhouse
Sometimes there are obvious cards or combos that I didn't even think of when I was deck-building, such as Phyrexian Dreadnought, which Abe Sargent pointed out to me would have fit right into my Curie, Emergent Intelligence list a few weeks ago
The average Commander deck will prioritize Eternal Witness and ways to recycle its ability before they ever even consider Den Protetor as a back-up, but morph decks can use it as a synergy piece and likely have ways to reuse its morph ability to pick up extra cards
there may be better cards you prefer to run, but it's very rare that Solemn Simulacrum is actively bad
Oracle of Mul Daya Oracle of Mul Daya combines several strong abilities, like playing lands from the top of your library and spotting you an extra land each turn, with a card price thats almost at the top of what Id consider budget
Some decks may have to give up a lot of sideboard slots just to help fight the Discover matchup, which can make other matchups worse