Remember that life loss can come from mana accelerants like Ancient Tomb as a land or the coin flip loss on Mana Crypt
In that case, you can use the effect of Vulcan the Divine to return your opponents face-up card and Powerful Rebirth to the hand hand, while using the Sangan that returned to the GY to add another Hop-Eared Flying Squad to the hand in a powerful combo
This card is playable in expanded format, making it highly sought after for players seeking M Rayquaza EXs powerful stats and ability to deal damage
As a common card, Farfetch'd is easy for anyone to obtain, so there's no major expense or long effort to getting one or two in your deck
Scrabbling Claws Third artifact with this set of abilities, even if its a minor set its nice to have redundancy
This means you can use the many, many free spells in Commander to dish out table-wide damage with ease