Advanced format ruling
Attack Pheromones
Card effect (current official text)If a monster you control attacks a Defense Position monster, change that monster to face-up Attack Position at the end of the Damage Step if your attacking monster is Reptile-Type.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.