Droll & Lock Bird [STBL-EN082] Rare Return of the Duelist Set: Phantom Nightmare Card type:

Set: Phantom Nightmare Card type: Normal Spell Rarity: Quarter Century Secret Rare Tribute 1 Fusion or Synchro Monster

or 1 card that specifically lists the card "Toon World" in its text

if it was a LIGHT monster

play up to 1 Character with a cost of 5 or less from your hand that is a different color than the returned character

Droll & Lock Bird [STBL-EN082] Rare Return of the Duelist Set: Phantom Nightmare Card type:Set: Starstrike Blast Card type: Effect Monster Rarity: Rare Attack: 0 Defense: 0 If your opponent adds a card(s) from their Deck to their hand, except during the Draw Phase, you can send this card from your hand to the Graveyard. For the rest of this turn, neither player can add card(s) from their Deck to their hand. (Drawing cards is also considered as "adding a card to the hand".)