Yes, since battles are permanents with counters on them, can absolutely proliferate those counters if you want to
The earliest observation of this defect was in June of 2023 with the release of The Lord of the Rings: Tales of Middle Earth set
cards like Arena of Glory, Urza's Saga, and Academy Ruins all benefit from untap effects letting you use them multiple times
Stacking up equipment can power up various cards like Adelbert Steiner, Giott, King of the Dwarves, and Slash of Light
The upside of this is ability is that you also retrieve two random cards from your Inkwell, which go straight into your hand
Looking for your next creature type to build around