Outside of your strategy, stopping lifegain can be huge to stall many strategies
Alara Reborn introduced a mechanic called cascade where you "dig" through the top of your library to find a spell of a lower mana value than the card that cascades
While a 1/1 token won't do much, it will still create the two 3/3 tokens on its sacrifice (one with deathtouch and one with lifelink)
Final Fantasy is introducing an entire cycle of artifact cards that look quite powerful in Commander, some of which have some powerful replacement effects for focused strategies
Unlike in the game, disarming allows you to turn an unused artifact, like those Junk tokens your opponents have laying around, into Treasure
As mentioned previously, this card is functionally identical to Anointed Procession aside from its name and costing 1 green mana instead of 1 white