Crop Rotation Weve already seen other cards that trade out lands in play for ones from your library, but those are typically creatures with tap abilities
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
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.
If you think about it, how crazy does your opponent have to be to leave in cards like Heros Downfall or Bile Blight against a Hexproof deck
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