I too think these will stall out at some point, but theyve got years to rise in price until thenthere are quite a few underappreciated low pop PSA 10 Gold Stars like Alakazam, Celebi, etc., that should see significant gains once people realize how infrequently they hit the open market
Consequently, any good Kitt Kanto deck is going to have a ton of ways to produce creature tokens, which you can then use to make your opponents attack one another
If you want a similar effect, Peer Into the Abyss is the next best thing
The Blue clearly makes the populate mechanic better because you have better targets by virtue of Blue having the easiest time turning creatures into tokens, but I submit that Blue makes the rest of the deck better
Shallow Grave Market Price: $57.43 This top-flight reanimation card hits a price point close to $60 on the secondary market, and its easy to see why