I think it was a combination of the flash that made it feel a little unfair and the late game grindyness
Many exile effects are instant-speed, like a Relic of Progenitus activation, so they can be used as combat tricks
Ashaya, Soul of the Wild can help you secure that second landfall trigger as it makes nontoken creatures into Forest lands in addition to their other types
Then theres Sakiko, Mother of Summer, who it could be argued that, while an animal herself, shes actually a parent to an abstract concept and not more snakes, and Ishkanah, Grafwidow, who we know is a mom thanks to her Arena variant, but that doesnt count
Captain Vargus Wrath Fine at the helm, but this captain works better as support
If Unidentified Hovership's second ability exiled more than one card (possibly because another effect caused it to trigger an additional time), each player who owns one or more of the exiled cards manifests dread