A mill strategy involves removing your opponents entire deck, usually by putting cards directly from their deck into their graveyard, and plays on a built-in alternate way for the game to end
You can only activate 1 "Gadget Box" per turn
Daretti's abilities are all heavily focused around this game plan, from the loot effect to fill your graveyard, to the artifact sac and reanimate, to the ultimate that means your artifacts keep coming back
Providing a brief shot of mana before disappearing into the abyss, Treasure tokens dont do that much individually, but they are capable of shaking a game to its core
How many cards are in each Gem Pack Vol
But this two-drop 1/2 dominates powerful tables where everyone has powerful mana rocks and early drops of the artifact or enchantment nature like Sensei's Divining Top and Skullclamp or Sylvan Library or Land Tax