Tengu format ruling
Big Wave Small Wave
Card effect (current official text)Destroy all face-up WATER monsters you control, then you can Special Summon WATER monsters from your hand, up to the number of monsters destroyed by this effect.
Rulings
- You can Special Summon high-level WATER monsters with Big Wave Small Wave, like Levia-Dragon - Daedalus, Suijin, or Gogiga Gagagigo.
- You cannot use Big Wave Small Wave to Summon Special Summon-only WATER monsters like Aqua Spirit or Fenrir.
- You cannot activate Big Wave Small Wave when there are no WATER monsters on your side of the field.
- The Legendary Fisherman is not destroyed by the effect of Big Wave Small Wave if Umi is on the field, so he remains on the field.
- After destroying WATER monsters with Big Wave Small Wave you can choose not to Special Summon any WATER monsters if you wish.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Tengu forum — sourced change requests get reviewed.