Okay, looking at my readout, then, it looks like, yep, yep, you have Green EDH Player Syndrome
In essence, you could exile a bunch of instants or sorceries from your hand to tee up a big flurry aimed at your opponent, while also getting access to more card draw with which to punish them
At the same time, control and even (maybe!) tempo get some of the better tools theyve had in a while
But thats all good
Undercity is an awesome dungeon designed to be better for multiplayer than the original cycle of dungeons from Adventures in the Forgotten Realms
In this deck that's Peter Pan, Never Landing and Pongo, Ol' Rascal, and if the player doesn't have anything that can challenge them, they're able to vacuum up points unimpeded