Blaster is a little more expensive at 5-mana, and he cares all about artifact creatures and Modular, which is a powerful mechanic, especially thanks to green with a card like Hardened Scales
I have seen quite a few variations that play four Zetalpa, Primal Dawn and zero Chromanticore, but the truth of the matter is that your deck only has a handful of spells that actually matter
Finally, my discord and I have been ruminating on how good Jeska will be here as a way to facilitate Valgavoth assassinations
In fact, Sram was also reprinted in the Multiverse Legends bonus sheet a couple of years ago
Shell play any deck with either massive creatures or five-color shenanigans, but both is even better
The static ability of draining life can add up if you keep thieving creatures, but in most cases stealing that much stuff will cause you to win the game anyway its a bit of an odd design all-around, seemingly balanced for a more casual table but also sporting the option to permanently capture enemy Commanders