When it arrives to the party, you ETB a graveyard, which is a nice emergency brake on the many graveyard issues happening, so it's a colorless Bojuka Bog
Yes, the stock list has a bunch of enchantments you can play for value and then sacrifice
This sort of card rarely breaks into Constructed formats, as theres simply more threatening or aggressive things to do for four mana in the kinds of decks that would want it
Competitive Diversity Splinter Twin Once Moderns premier combo deck, Splinter Twin was either beloved or maligned depending on who you asked
The other issue we had to deal with for scavenge is that it's what I call a false negative mechanic
They offer high-impact threats, strong combat pressure, and dramatic finishers