Drawing a card for each tapped creature an opponent controls means well be deriving a bonus (the card draw) for something we wanted to do already
The point is, Magic has a few ways to get around a card having no cost, and yet other ways to move counters around or get rid of them
What likely happened in the case of the Ghost stamp is that when the CMYK plates were being created, the trap part of the design for the first edition stamp that normally would have been on the additional plate was accidentally included on the regular plates for at least one of the Pikachu cards on the sheet
Do it 4 or 5 times and drop the rest on top
Boromir, Warden of the Tower Ill make up for having such an expensive card as The One Ring on my list by having a shockingly affordable card at number one: Boromir, Warden of the Tower
Joining that is Solitude, and it's potentially one of the best creature removal spells ever given to white