This was a world where green got to draw cards (gasp!), white was able to counter spells, and black could tap down opposing creatures
I also absolutely love the design on the front of the dress: a little cartoony image of a plucked goose, ready for roasting, with the goose's severed head wearing a little blue bonnet
The standout strength here is mana-to-value conversion
She costs four for a 3/4
It gives your creatures haste, which means you can do more with fresh tokens and recently-cast creatures, but it also allows you to give a nice +2/+0 buff to all your creatures for just
Ideally Id like Damping Sphere and Crumble to Dust as well to beat Mono-Green Tron, and I might also like Thoughtseize or Thought Erasure, maybe even in large numbers, but its just hard to find room for everything