Hans Eriksson is a rare Legendary Creature — Human Scout card from The List (PLST), collector number CMR-279. Current market price: $0.35, TCGplayer market prices via Scryfall.
Whenever Hans Eriksson attacks, reveal the top card of your library. If it's a creature card, put it onto the battlefield tapped and attacking defending player or a planeswalker they control. Otherwise, put that card into your hand. When you put a creature card onto the battlefield this way, it fights Hans Eriksson.