Cards like Old Gnawbone and Ancient Copper Dragon produce a huge load of Treasure, and its not hard to have 10 Treasures in a dedicated deck
If creature decks happen to be the most popular deck at the moment, a control deck can always run a higher number of board clears while skimping a little on counterspells
This is one of the most valuable Regional Championship Staff promos ever created, and based on the character featured, you can guess that its nostalgia value might play a role in that calculation
In the Lost Origin TCG expansion, players can collect a gorgeous full artwork card that portrays the Sinnoh Ghost-type getting ready to change into one of its five forms
Yargle and Multani might not have any noteworthy effects, but 18 power for six mana is hard to argue with, especially with how easily you can bring them back from the graveyard when they die
But I still adore it loads