(Targeting opponents, anything they control, and or/cards in their graveyards is a crime.) : Target opponent loses 1 life and you gain 1 life
Whenever you amass, the Army you put counters on gains the amass creature type
That being said I actually think it's quite a small concern and think that in the right deck Dark Tutelage can be great
Blue Ugin has now settled at $180 on StarCityGames, and around $130 to $150 on eBay as of writing
Some of them even have upsides beyond simply stopping graveyard strategies
I just sold them my 20+ year old MTG collection, including P9, 40+ duals, Workshop, LoA Everything went well, all the steps were clearly explained, their welcome is excellent and they are very friendly