The Ur-Dragon There is a real argument for Scion of the Ur-Dragon being the best Dragon card in Commander, but that arguments a bit tougher to make in regards to it being the best Dragon Commander in the game
This bundle costs $109.99, contains 9 Play Boosters and one Collector Booster, and also includes classic Commander staples like Sol Ring, Arcane Signet, Swiftfoot Boots, and more
This is a problem that Wizards of the Coast has admitted, with senior designer Gavin Verhey stating that future sets would aim to improve white's capabilities in areas like card draw and ramping up your available resources
Some of them are key in decks across popular formats, like Steelshaper's Gift in the Modern metagame
It could alternate- heads, tails, heads, tails, heads, tails, etc
Knight of Dusks Shadow might not be flashy, but everything it does is fantastic value, and should be an auto-include in any black deck needing to deal with lifegain