Chandra and Liliana's next appearance in Torch of Defiance is less hilarious, but still has Liliana being such a bad influence, culminating in her bringing down the guards on them by hurling an obscenity at Consulate vedalken, throwing her drink in his face, and smugly boasting about how proud they are to be renegade sympathisers
Being able to tutor any goblin card to hand makes Goblin Matron one of the best cards you can draw in a game
Honorable Mention The young Atreus, Impulsive Son from the Secret Lair PlayStation God of War: Norse won't get ranked here because of the essential partner Father & son text which means look for Kratos, Stoic Father to join each other on our Jeskai commander or partners with commander ranking
Theres room for improvement assuming theres a next time, but the ceiling of the designs was so high that I do hope there is one
Nothing like Badgermole Cub, Quantum Riddler, or anything as splashy as Jeskai Revelation