Her artwork includes a sample route she and her evil comrades would take to escape when their evil deed has been successful or not. Her card's info says:
RB10-EN041:
My Pon-Evil Pony Fiendish Doom
DARK / Pon-Evil Pony / Level 4 / ATK 1600 / DEF 1200
You take no Battle Damage from battles involving "My Pon-Evil Pony" monsters, except "My Pon-Evil Pony Fiendish Doom". If this face-up card you control would be destroyed, you can discard 1 card instead.
Rare