When Dominaria United came around, there was a lot of tie-in with Legends thanks to the insertion of cards from that set into collector booster packs, and Wizards took this a step further by reimagining several older Legends legendary creatures
Since the Ally tribe is built entirely around enter the battlefield triggers, she turns every creature you play into an exponential source of value
Unfortunately, cards like Fateful Absence will kill him but at least they have to cast it on their own turn because hes indestructible during yours
Attractions function as the rides, games, and shops youd experience at an amusement park or carnival
I think this largely comes down to the fact that blue and green rely less on refill draw, and can get by with topping up easily and cheaply as a game progresses
Otherwise, I wouldn't stock up on these for long-term gains, as its now fair game for further reprints