And since The One Ring is legendary, if you have multiple copies in your deck, you can cast a new One Ring and sacrifice the old one, resetting the counters
Aboshan, Cephalid Emperor (Odyssey/Torment/Judgment) If you opened up your first pack of Odyssey in an OTJ draft, there's few cards you'd want to draft over Aboshan
Thassas ability triggers on your end step, letting you exile another creature you control and then immediately bringing it back to play
giving each of my Human creatures the ability to tap for mana is big game in Commander where high impact cards are often quite expensive
If it creates a new plane specifically for its new spider characters, one that might even one day get its very own set, I'd love that too
The other area youre going to struggle with is card draw