Presumably, then, there'll be a fair few shrine cards, though we wouldn't say it's 100% guaranteed
The second thing you need to know is that he will absolutely win you games, and people will often be perfectly fine losing to him
Illustrated by Lake Hurwitz Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Not Legal Modern Legal Brawl Not Legal Legacy Legal Comp
As Commander is meant to be played with four players ideally, you'll have an entire game night ready to go with just these boxes
Grim Lavamancer Elesh and Gifts/Rites might be too niche for you, but Lavamancer definitely won't be
The instant costs four, you exile a targeted nontoken you control, the top two cards, and then cloak them as 2/2 face down dorks with ward