"Gryphon's Feather Duster" does not destroy itself.
When you destroy multiple cards at the same time with "Gryphon's Feather Duster", you gain the Life Points as 1 "lump sum", so your "Fire Princess" will only do 500 damage.
"Gryphon's Feather Duster" does not destroy itself.
When you destroy multiple cards at the same time with "Gryphon's Feather Duster", you gain the Life Points as 1 "lump sum", so your "Fire Princess" will only do 500 damage.