Join us on Discord were happy to help you figure out the best stack for your project
My favorite is Devastating Mastery as a four-mana Planar Cleansing that sweeps all dorks, planeswalkers, artifacts, and enchantments
Furthermore, the Pokmon's energy requirements allow it to synergize with Teal Mask Ogerpon, and using Energy Switch allows players to attack consistently
It's a card that can't function on its own, so unless Helios is the main axis, I can't really recommend using it as a priority
Tergrid, God of Fright lets you keep all the stuff your opponents sacrifice for yourself
Beyond the return of an uninterrupted competitive circuit and the community of card shops for in-person competition, that is