Advanced format ruling
Destiny HERO - Dread Servant
Card effect (current official text)If this card is Normal Summoned: Place 1 Clock Counter on each "Clock Tower Prison". When this card is destroyed by battle and sent to the GY: You can target 1 Spell/Trap you control; destroy that target.
Current rulings for this card are maintained by Konami.
Rulings data courtesy of Format Library — formatlibrary.com. Spotted an inaccuracy? Flag it in the Advanced forum — sourced change requests get reviewed.