The flavour text basically sets up a poem in the order that's shown here -- Double Dip, Double Play, Double Deal, Double Take and Double Cross -- which is kind of neat
The best and least janky is of course Dockside Extortionist to turn your opponents' Blood tokens into an obscene amount of Treasure tokens for yourself (as if Dockside needs help being a good card), but if you want to go deep then you can do ultra janky things like get max value out of Curious Herd, Ancient Runes, maybe don't even let them sac them with Karn, the Great Creator so the tokens keep piling up, or if they do then you get to draw cards off Viridian Revel
As a bonus, making three 3/3 bodies makes it easier for the player to block effectively, as opposed to a single 9/9 blocker
Lord of the Rings was such a perfect crossover with MTG because the gap between the themes and settings in each world is so miniscule
Misty Rainforest (and any other blue or green fetch), Breeding Pool, et