Your search for "Eternal Dread LEHD-ENA29" revealed the following:
Eternal Dread - LEHD-ENA29 - Common - 1st Edition from Legendary Hero Decks 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Place 2 Clock Counters on each "Clock Tower Prison".
Eternal Dread - DP05-EN030 - Super Rare - Unlimited from Duelist Pack: Aster Phoenix Unlimited, available at 401 Games Canada. Rarity: Super Rare Card Text:Put 2 Clock Counters on Clock Tower Prison.