Ultima and Teferi both delete any advantage your opponent has on the board state, and cause the combo to function as an extra turn spell
Aminatou benefits from it by getting another opportunity to cast a miracle , though at a steep cost reduction.
The ultimate ability going off will be very rare, but I suspect it will also be quite memorable
Sami might secretly be the strongest commander in the set, though he comes with a hefty cost
I didnt play during that period, so I cant speak to how effective it was, but frankly Im hoping that it doesnt turn out to be a popular or dominant archetype this time around
Its huge, it finds you more lands, and its a good stopgap as a five-drop that either gets you to your big plays or serves as a big play itself with its activated ability