When chaining multiple Melffy cards to an opponent summoning an effect monster, you can only activate one out of however many Melffys you return to your hand.
Bug reproduction steps
Summon Multiple Melffy Monsters with different names (Catty, Puppy, Fenny, Pony)
On opponent summon, return all monsters to hand
- Expected behavior
- You should be able to use all the effects of the Melffy cards when they return to your hand