Which sets have Lessons
No matter how many 1/1s enter at a time, Bess only gets one +1/+1 counter
The other possibility is playing Invasion of Regatha in a dedicated burn deck since the backside seems pretty powerful with Play with Fire, Lightning Strike, and friends as a weird twist on Torbran, Thane of Red Fell, although I'm not sure a burn deck wants to use multiple burn spells or attacks to remove the five defense counters to defeat the battle
Doing this can net you a ton of 2/2 Robot tokens just for getting Guideline Station into play
Lets move on to the list
P/T Number 219 Language Italiano Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) The Emperor of Palamecia's last ability resolves before the spell that caused it to trigger