Excalibur, Sword of Eden All that talk about swords being power crept, and WotC was like, okay, hold my beverage
And this deck was the tightest, by far, of the various builds and could kill faster without any changes than the others
Baymaxs ability, The Treatment Is Working, allows him multiple other avenues to gain extra lore for his controlling player when Baymax heals his allies, which is done by just playing Baymax initially and whenever Baymax quests
The idea is to ramp it out quickly (with exclusively land-based ramp to maximize its enters trigger), then flicker it to keep the board clear
Clay said Arena is testing a system where players win one every time they compete, up to 30 cards a day
It's surprising how strong of an impact this card has had, but its versatility certainly won out, even if it's little more than a roleplayer on the whole