While its fairly new to town, Bloodline Biding definitely deserves to be run in more than 14.3k Commander decks, as it is now
Depending on where they were in the pack and how much force was against of the card could cause how much ink came off
On top of that, its also an Angel and a Wizard, which opens the doors for some interesting typal synergies if you want to dabble in those
Its free and will give you useful information regarding your collection, suggest Draft picks, and will even try to predict what deck your opponents are playing based on the metagame and their known cards
Best of all, once youve made one Wurm with his ability, you can significantly reduce the cost for future activations
My other decks in this tier have their gameplan but do not have extremely hard-hitting blows, or perhaps like Hazezon Tamar with no tutors, so the deck is pretty easy to handle if you have some enchantment removal