In practice, Samut seems somewhat similar to Henzie
6 Bilbo, Birthday Celebrant Blow Out Your Candles There is a lot going on with Bilbo, Birthday Celebrant, making for a very commander-centric deck
Consider playing it with Obzedat, Ghost Council so you can continue to play lots of instant mass creature killers, not have to risk attacking with Obzedat, and still beat lots of face
Hedron Crab is certainly the more flexible of the two because you can use it to enable your own graveyard, but both of these cards are fantastic mill engines for 60-card formats
Face Nightmares and Glitch Ghosts in ready-to-play 100-card decks, with Scheme cards that turn every Commander game into a chilling fight for survival
After it deals damage, you can unequip it with Captain America's effect to have 12 damage head towards any target