First, it retains the extort, which is huge for a strategy to continue gaining life and draining opponents out
The mana fixing option on a Panorama isn't great, since it's functionally two mana to sacrifice the basic land of your choice
Sliver Hivelord | Illustration by Aleksi Briclot Sliver commanders are legendary creatures with the sliver creature type, or legends that directly benefit sliver creatures
I dont know if this was supposed to be a card for Standard and they simply ran out of room there, and I think its an interesting ability to play around with, but to me boxed precons really shouldnt have cards that dont work in the deck they got printed in
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But that's hard to make work and easy to disrupt with removal of the Commander himself or by the Anthems (Glorious Anthem), Auras (Rancor) or Equipment (Bonesplitter), and if you sweep you really break him with mass removal, and recasting a five cost is rough