In short, its because of this interaction: Previously, decks like Jund could use discard to punch a hole through your defenses, allowing something like a Tarmogoyf or Liliana of the Veil to slip through the cracks
The rip is yours
Add on top of that evasion, ward, and getting a +1/+1 each time Valgavoth triggers that card draw, and you've got the perfect commander to build a red/black deck around.
Unfortunately, I sold most of them during college because I was broke trying to get more money for ramen. In 2022, a shadowless, first-edition would go on to make headlines for being auctioned for $420,000
It's also a fantastic fit for green in general because of green's ability to produce mana without artifacts using cards such as Llanowar Elves and other mana dorks
Destined on the stack is still a black instant with a converted mana cost of 2, and Lead on the stack is still a green sorcery with a converted mana cost of 4, but Destined to Lead, any time it's not one or the other, is a black and green instant sorcery with a converted mana cost of 6
