While it does half the damage (only dealing one point of pain at a time) Razorkin Needlehead is also half the cost of Sheoldred, The Apocalype - an infamous creature who has terrorized Standard for ages, and one of the most expensive MTG cards Wizards has put out in recent years
Moon: Crimson Invasion Sealed Release Date: 2017-11-03 The mysterious Ultra Beasts have arrived, invading the Alola region as crimson-tinged Pokmon-GX: Nihilego-GX, Buzzwole-GX, Kartana-GX, and the ravenous Guzzlord-GX
The flavor and mechanics of the card are Black
It's not always the difficulty of the card's pull-rate that determines the value either
It also wasn't because of whether you decided to use it on any given turn, or whether to cast it
On the other hand, theyre very common inclusions in Commander