You can do so fairly with their abilities or utilize cards like Tezzeret the Seeker and Voltaic Key
Maybe you could be lucky enough to find expensive common cards from older sets with a higher price tag, like a random Wei Strike Force or a relentless common, like Hare Apparent all of which are worth more than a typical common
Mog, Moogle Warrior* Little Mog from the Final Fantasy 6 Commander Deck is an interesting Group Hug type of card, that lets everyone loot, and making you little moogles and growing them all up, just like your own little moogle breeding center
A cards ink type can be found between its text box and the name of the card, and is indicated by the symbol on the left-hand end of the colour band, as well as by the colour of the band itself
Belle & Beast Certain as the Sun and Lilo & Stitch Fun-Loving Friends are the two Cinemayhem Iconics, dual ink cards with picture-in-picture artwork styled like vintage movie posters, sitting in the Secret range above the numbered set at the hardest pull rate in the product