Tengu format ruling
Coach Goblin
Card effect (current official text)While this card is face-up on your side of the field, you can return 1 Normal Monster Card in your hand to the bottom of your Deck during your End Phase to draw 1 card from your Deck. You can only use this effect once per turn.
Rulings
source: Rulings_Tengu (Format Library) · 1 era-inappropriate line(s) removedRulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.