Search for Glory - I think the big thing here is being able to search for a legendary card
While there are still plenty of cards that can avoid blocks through various means, very few things will ever match the evasion of unblockable creatures making sure youre able to push through damage and trigger your saboteur damage abilities
Be aware that some players will fear Vito, Thorn of the Dusk Rose because of those Sanguine Bond combos and try to kill you on sight
The drawback is that creature has to have a mana cost equal to or lower than the number of lands you have, but thats super easy to get around in green
Gist Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Fain, the Broker Fain, the Broker does incredible work in the 99 of decks that supply it with fodder, especially ones that spread counters to convert into Treasure, but it rarely does enough to warrant building around it