While there may be better targets to remove counters from something, like a planeswalker, you can keep your creatures safe from their untimely final demise by getting some cheap shots in on your opponents
That figure now looks like chump change compared to the cards sale in recent years, with a card graded at Near-Mint 7 selling for $375,000 in early 2021 and another NM7 copy fetching $900,000 a year later
If another player gains control of Dream-Thief's Bandana and/or the equipped creature, that player can't look at or play cards already exiled with Dream-Thief's Bandana, and you still can
Incredible Ecclesia, the Virtuous
Surprisingly, he shows up again in an endgame sidequest as the True Card King
Cards might sit in the back for a day or more before an associate puts them on the floor