Including temporary theft cards like Act of Treason allows you a cheap way to take control of your opponents powerful creatures, use them for a turn, and then sacrifice them
We've seen abilities like it before on cards like Gnarlid Colony, but having it as an enchantment that also gives the counters needed to enable it push it up to a potential green stample for a good while to come
(6/6/2025) If Aerith Gainsborough is dealt lethal damage at the same time that you gain life, it will die before its second ability would resolve
As well as its higher-than-usual power, The Lost Caverns of Ixalan Commander decks started a heartening trend of Commander pre-con decks containing particularly valuable reprint cards
Who wouldnt pay three life to get it back onto the battlefield (although its too bad we cant also equip it without additional help)
An interesting hint at a canonical crossover between Magic s multiverse and that of Dungeons & Dragons , the Abyss is the home plane of Chaotic Evil and of demons, which is well represented here