I returned Thassa to my hand and made a few more plays before my opponent gave up
You'll eventually want to supplement what you have with better cards that you want, and this is your best bet at getting what you're looking for
If you can defend this Dimir planeswalker , you should be able to exile opposing graveyards three or four times, making it hard to build a full graveyard
Dragons are the coolest creatures, and this tribal deck combines the best of them under the banner of Commander The Ur-Dragon, which makes them all cheaper from the command zone
This is useful in a huge variety of situations, and while its not repeatable like others on the list, it is cheaper than some of the other choices
The Courts from Commander Legends and Wilds of Eldraine are incredible in any upkeep-focused deck