Tengu format ruling
Molting Escape

Card effect (current official text)Equip only to a Reptile-Type monster. Once per turn, if the equipped monster would be destroyed by battle, it is not destroyed. The equipped monster gains 300 ATK at the end of the Damage Step each time this effect is applied.
Rulings
- A monster equipped with 2 "Molting Escapes" will only avoid destruction by battle 1 time each turn. Both effects to gain 300 ATK will be applied individually.
- The equipped monster will not gain 300 ATK if it battles while it cannot be destroyed by battle due to a different effect.
- The ATK increases from "Molting Escape" are applied continuously and will disappear if "Molting Escape" is unequipped.
- The effect to gain 300 ATK starts a Chain
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.