Whenever players use ink it is expended for that round, with all used ink being refreshed at the beginning of a players turn
WotC will want to use that design space to create new dethrone gems
Regardless of which background is paired with Abdel Adrian, it's a great option for a white Flicker commander, capable of generating a sizable number of tokens
Plus, you get to cast one of those permanents from your graveyard each turn
While this list could be exhaustive, and include spells such as Lightning Storm and Tormenting Voice, remember that my main intent is to quickly show the major incentives to play a color and some general powerful cards to watch out for
It's a one-mana artifact creature with a relevant ability, which is good for any deck that wants to dump lots of artifacts onto the board (Affinity, Urza)