The fact that other players in their immediate group are unlikely to be playing more than one or two similar cards deepens that sense of pride in the performance of their pet commander/mechanic/decklist
But I think this could be a safe choice in the age of creature-heavy precons
Faeburrow Elder and Selvala, Explorer Returned are the most reliable of Selesnyas mana ramp options due to their low mana cost, but both also need to tap to generate mana, so youll need a way to give them haste to access their mana generation on the turn you play them
Then, once youve taken a few characters down and Robin is looking a bit low on willpower, you can challenge Robin one last time, letting you draw a card when he gets banished
Key Cards Kefka, Court Mage // Kefka, Ruler Of Ruin Kefka, Court Mage is one of the main ways you'll be forcing your opponents to discard cards