mtg commander 2018 exquisite invention deck list - Commander and can use only cards within that creature’s color idenity Upgrading Exquisite Invention | Commander

Sovereign Okinec Ahau I really like the flexibility that Sovereign Okinec Ahau offers us

Id say they can be replaced with more fitting cards

This octopus advisor will reward you with plenty of life and slowly chip away at your opponents, while all you have to worry about is getting cards from the top of your library into your hand

Any of them that stops being a creature will also stop being a Phyrexian until it becomes a creature again, if applicable

The discussions we have around them can be much more nuanced not just whether UB is good or bad, but what has made individual UB releases better or worse than others

Flinging it at your opponent essentially deals double damage, making Heartfire Hero incredibly explosive