Enhanced Prefab loader is a modders tool to allow other modders to more easily add new items to the game
If you win, gain control of enchanted creature
If you leave the game, the exiled cards remain exiled face down indefinitely
and since this is a spinoff / soft reboot, power creep can at least be slightly reset
It doesn't copy whether that commander is tapped or untapped, whether it has any counters on it or Auras and Equipment attached to it, or any non-copy effects that have changed its power, toughness, types, color, and so on
This mitigates the fact that, because Commander Legends is designed to be drafted, players will likely have fewer Rare cards in their hand to give them big, splashy plays. [W]e created Encore as a way to make sure you still had huge plays late in the game, said Verhey