REDU format ruling
Fish Depth Charge

Nearest-era rulings (Tengu, Sept 2011) — no REDU-specific archive exists.
Card effect (current official text)Tribute 1 Fish-Type monster to target 1 card on the field; destroy that target, and if you do, draw 1 card.
Rulings
- Fish Depth Charge targets 1 card your opponent controls.
- If Fish Depth Charge does not destroy the selected card when it resolves, you do not draw.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the REDU forum — sourced change requests get reviewed.