Just stuff it with artifacts and watch it go
Magic has tons of ways to complete this type of transaction already utilizing cards like Trading Post to receive some kind of reward in exchange for doing something
A unique form of mana ramp, not only does Lotus Cobra reliably produce at least one mana per turn, granted its controller isn't missing land drops, but it allows already potent mana ramp spells to provide yet even more mana
Foundations (FDN) #120 Illustrated by Brian Valeza Magic: The Gathering, MTG Company: Wizards of the Coast Brand: Magic The Gathering Series: Foundations Item Type: Single Card Release Date: November 15, 2024 UPC: 0665096542270 Stock #: 511031 Our Guarantees to You, Our Valued Customer
If WotC abolishes the reserved list and reprints the cards on it, they could lose their value, and the collectors who had invested in the cards would no doubt see their collection lessen in value