When mana curves are low across the board, getting a Treasure whenever Ragavan hits the opponent can easily translate into casting an extra spell
Cast it without paying its mana cost or put it into your hand
For the expected-value article (and also the spreadsheet), the pricing is a mixture of TCG Market and TCG Low, with the goal being to get the most realistic, lowest price of each card
It changes the math of each turn enough that it requires some double-checking and re-evaluation, which can be a little frustrating for a new player who is still trying to figure out what their cards do
In any case, its a nice little feel-good story in the end
All of the cards on this list, save Intuition and Underground Sea, are from a group of cards known as Power 9