The flying creatures allow it to beat decks that are going wide on the ground, and the hexproof of Drogskol Captain and Rattlechains allows it to have a better game against the removal-heavy decks
For example, inspired by those two brews I just built a deck called "The Arboretum" that envisions an Arboretum of cards like Plants, Fungi, and Treefolk with cards like Cultivate and Rootgrapple that make sense for ramp and removal, but not Beast Within and Kodama's Reach
Pat and I had known Fay and her husband, Bob, who died in late 2018, when we lived in Seattle in the 1970s and 80s, before we had kids
Destroy 1 face-up Spell or Trap card
Block icon 5 Type Impel Down/Straw Hat Crew Effect [Main] You may rest 6 of your DON
Its also a soft counterspell thats hard to counter since its an activated ability, which is relevant in a counterspell war