You can obviously force the issue with symmetrical card draw, and it has legs in group hug decks, too
There aren't a lot of decks you build that purposely want you to be hellbrent (without cards in hand)
That's because if it loses all abilities, it loses all its chapters and if a saga somehow has no chapter abilities, its final chapter number is 0, and you'll have to sacrifice it since you've basically reached the last chapter
For competitive or efficient deck-building, singles are always cheaper and faster
Sai, Master Thopterist I know multiple people who have Sai, Master Thopterist as their pet card
With all sorts of ways to reanimate and regenerate him with other Zombie-related cards, you can maximize Thraximundar's power turn after turn without dropping momentum