Discard 1 card from your hand and add 1 "Fortress Whale" or "Fortress Whale's Oath" from your Deck to your hand. "Fortress Whale" monsters you control gain the following effect:
• Your opponent cannot target face-up WATER monsters you control with Spell/Trap cards or effects.
![Whale of a Tale [SBC1-ENS03] Common](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/707d7e24-6a86-5da3-b8e0-0daaa9fed0d7.jpg?v=1700575172&width=1445)