The former could hit cards like Birthing Pod, Cryptic Command and Splinter Twin all of which were important, but the latter was better versus Burn and Zoo, and also back then manabases were a lot more painful as decks were more reliant on Shocklands, which meant a turn one Thoughtseize commonly saw you at 15 life from the get-go
7 Ukkima, Stalking Shadow A Whale Of A Wolf Relationships are a tough act to balance, as evidenced by just how much Ukkima, Stalking Shadow carries their partnership with Cazur, Ruthless Stalker
Have you gotten burned by the phenomenon before?
The short answer is no at least not in its tabletop form
Combat Tutorial Rating: 4/10 Always love a Divination
This is better in a Mountains-matter deck led by someone else, but I appreciate the redundancy