Harpie Lady Sisters + Sand Stone → Mystical Sand

Harpie Lady Sisters + Fire Kraken → Crimson Sunbird

Harpie Lady Sisters + Tyhone #2 → Crimson Sunbird

Harpie Lady Sisters + Pot the Trick → Mystical Sand

Harpie Lady Sisters + Morphing Jar → Mystical Sand

Harpie Lady Sisters + The Thing That Hides in the Mud → Mystical Sand

Harpie Lady Sisters + Stone Ogre Grotto → Mystical Sand

Harpie Lady Sisters + Flame Viper → Crimson Sunbird

Harpie Lady Sisters + Magical Labyrinth → Harpie's Feather Duster

Harpie Lady Sisters + House of Adhesive Tape → Harpie's Feather Duster

Harpie Lady Sisters + Eatgaboon → Harpie's Feather Duster

Harpie Lady Sisters + Bear Trap → Harpie's Feather Duster