Name: Strange Visitor

Text: START OF RIVAL'S MOVE Select 1 Battlefield in play: Discard it. When your next Move starts this Round, you can Stockpile 1. (Place the top card of your Main Deck into your Stockpile.)

FAQs/Rulings

Can I discard my own Battlefield with this effect?
Yes, you can.
Yes, as long as the card’s effect wasn’t nullified.
When your Move starts, adding cards from your Stockpile is a mandatory action that always happens first. After you take from your Stockpile, you can resolve this card’s effect and add to your Stockpile.
No, you will have to wait until the start of your next Move or when your Rival takes from their Stockpile.

Alternate Versions