Originally Posted by
Dannyl
Which is the main reason the card is any good, because of how fast it is and the tempo advantage it gives you. Increase it's mana cost and it just becomes a poor man's questing adventurer.
No but you lost an immense amount of tempo, which is what deathrattle decks rely on. You basically just wasted a turn doing nothing, which is what a tempo deck does not want to do. They could have dropped a webspinner instead, or if it's a priest, your next play is likely a haunted creeper or a loot hoarder, which just slows you down even more, particularly if you are playing against a warrior, druid or mage.
So yes, it really hurt to lose your undertaker on the turn you played it.