the game ends quickly if you manage to turn it into Nicol Bolas, the Arisen
If youre playing a green deck and have enough green cards to support Force of Vigor (around 16 others at minimum), the card should be almost a must-have in your sideboard which makes it a top tier candidate for the best sideboard options green decks can choose from
If you want a casual Aurelia deck capable of taking a bunch of extra combats, I have a sample list you can try out on Moxfield
At the start of each players end step, you make X 1/1 Rat tokens that get +1/+1 for each other Rat you control (effectively Relentless Rat tokens)
Another intricacy of this card is that you can create two treasure tokens per combat phase with first strike and normal damage
You still get the cast trigger off Emrakul, the Promised End with this commander, so playing this on turn 3 might be good enough