Post Malone is seriously indulging his nerdy side. The "Circles" singer recently became the proud new owner of an exceedingly rare Magic: The Gathering trading card, for the price of $2 million. [readmore label="READ MORE: " link="https://etcanada.com/news/1010597/post-malone-says-having-a-baby-taught-him-to-slow-down-on-drinking-slams-rumours-of-drug-use/" text="Post Malone Says Having A Baby Taught Him To ‘Slow Down On Drinking,’ Slams Rumours Of Drug Use"…