If you happen to be building around Blood tokens or youre desperate for more Constructs, Blood Servitor might be worth looking at, but youre going to get better mileage from just about any other card
Its nice to be able to temporarily resurrect a creature that may have died in an attack to use again, and it allows you to use looting effects to help you cheat out big creatures
The first truly notable one was Tormod, the DesecratorTormod, the Desecrator, but others quickly followed suit, like Quintorius, Field HistorianQuintorius, Field Historian, Amzu, Swarm's HungerAmzu, Swarm's Hunger, and Satoru, the InfiltratorSatoru, the Infiltrator
Battle Screech is an example of a card that was originally printed at uncommon in Judgment but was reprinted as a common in Vintage Masters and Commander Masters
At the end of the day, grabbing a Boros Charm or Bolt Bend plus a way to draw cards, ramp, or remove a problem permanent with Reconstruct History is often the floor, and the ceiling is a lot higher
its easy to get sucked in and spend way too much money on cards you never really needed anyway