The 50 damage is not worth the high cost of this attack, so it is recommended to use this card for the Mountain Crush move
Even outside of madness decks, Blood tokens are good for getting rid of dead cards in your hand
These cards are the swords, shields, helmets, necklaces, and magical trinkets that monsters can wear to power them up, protect them, and even more
Bloodfeather Phoenix costing two mana might help bump the deck up to a slightly higher curve, but Squee, Dubious Monarch and Thundering Raiju were doing that already
In the right deck, Asmodeus the Archfiend will be a decisive win condition, but I would be nervous without significant lifegain