Professor's Letter (146a/162) [Alternate Art Promos] Synchro/Tuner/Effect Monster If the activation of this

If the activation of this card in its owner's possession was negated by your opponent's card effect and sent to your GY: You can discard 1 card

You can only use 1 "Castel

is activated: You can send the same type of card (Monster

if your opponent adds a card(s) from their Deck to their hand (except during the Draw Phase or the Damage Step): You can banish 1 random card from your opponent's hand

Set: Sun & Moon: Forbidden Light Type: Water Rarity: Secret Rare Retreat cost: Colorless

Professor's Letter (146a/162) [Alternate Art Promos] Synchro/Tuner/Effect Monster If the activation of thisSet: Alternate Art Promos Type: Item Rarity: Promo