Goat format ruling
Mushroom Man #2
Card effect (current official text)A player controlling this monster loses 300 Life Points during each of his/her Standby Phases when this card is face-up on the field. Control of this card is shifted to your opponent by paying 500 Life Points at your own End Phase.
Rulings
source: Rulings_Goat (Format Library) · 1 era-inappropriate line(s) removedRulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Goat forum — sourced change requests get reviewed.