Aside from the already mentioned Dark Depths, sagas also shine here, because removing lore counters lets you retrigger their effects over and over instead of letting them expire
Queen Marchesa is probably the most popular monarch-themed commander
Zacian V immediately dominated the meta, offering deadly speed and power
If Halana and Alena's power is somehow negative at the time its triggered ability resolves, you will put no counters on that creature
They can ramp to their biggest characters in a few turns, making this 10,000-power Rush card invaluable
However, it does run counter to a lot of pretty core cube design principals, though it does dodge the issue of being a tough goal in the early turns, since that's usually when you could cast it unkicked (Unless your opponent just reanimated a 7 drop or something) Kicker or Alright now you're trying too hard, this card is losing focus