Consistency is key, and Starscream lives for it
Given the volume of tokens you'd expect to create, and the ways you can boost their power and toughness, getting a Vito on the battlefield and managing to activate his ability is effectively a game-ender for an opponent, with each turn you're allowed to swing freely
Olivia makes treasures whenever one or more players land a hit on a player, and can then use those treasures to buff your board, while Ezio can cast assassins for a fraction of their usual cost, provided you land a hit with another assassin first
This sets it up to attack with "Chain Crazed" on the following turn, which deals 260 damage and can easily knock out most 2 prize Pokmon
It's unlikely to be ever sold due to its sentimental value, but the amount offered was no joke nonetheless
What abilities does Slaking have