Zidane Tribal Ragavan, Nimble Pilferer can be extremely groan inducing on turn 1, but surprisingly tame in Limited otherwise
Same deal in any spot where the card they kept probably isnt a two-drop
As someone quite used to missing land drops at inopportune moments, or milling cards and accidentally removing lands I desperately needed, this ability is fantastic
But the gist of things is that in the plane of Dominaria, two powerful Planeswalker brothers called Urza and Mishra (who were name-dropped all the way back in the base set) waged a war with the powerful magical artifacts they found in a conflict called the Brothers' War, lasting for years
Her original incarnation as Thassa, God of the Sea is a near-perfect card design that found traction with blue players in both Constructed and Commander
As simple as that, what more do we need to say