Strong card flow, no one cares about life loss in Commander, and you can add loyalty counters to your other 'walkers without pulling planeswalkers and then you can add in +1/+1 counters to your stuff and counters onto Helix Pinnacle to win and then poison on foes and then also -1/-1 on their stuff
Even outside of this protection from everything silliness, if you've ever played a game with Tidal BarracudaTidal Barracuda in play, you're well aware of just how much it takes over your average game
After the approximately 2.5 million-card Alpha print run sold out, game designers also noted some errors in the first run and wanted to add some new cards
Magic Arena, on the other hand, is not designed with the same goal
Before we begin, note that the order in which I discuss these cards does not represent any specific order in power level or effectiveness for the archetype, as these are all cards that still need to get run through the testing gauntlet