Its the kind of annoyance that builds up into something horrible
Not only does this let you disrupt your opponents strategy, which is especially good if you draw it on your first turn, it also gives you information about what deck theyre playing, which should help with planning out your board as the games complexity and list of viable decks starts to rise.
They "remember" any counters they had on them, any choices made when they first came into play, and whether they were tapped or untapped when they left play
This is the solution we want for too many treasures, and between the distributor and Sardian Avenger we're seeing more and more in this vein.Conclave Sledge-Captain
As a trade-off, she requires another of the player's characters to be returned to their hand to avoid immediate self-banishment, but it's a price that's well-worth playing