You need to operate at sorcery speed for this to be effective
The card will also be fine in casual Commander decks where its three mana cost isnt too restrictive, and could have further versatility in strategies that can reliably pay both costs for the card, like Jodah, the Unifier
Samut takes full advantage of this, granting other creatures the player controls +X/+0, where X is their current speed, as well as making non-creature spells cost X less to cast, where X is their current speed
There's plenty of ways to get lots of artifacts out and pump this guy, but this is like the same as another card in this set, basically 2/2 for 3 with an ability that gives it counters and basic evasion, which is pretty same-y
It also comes with the Family Blessings ability, which, once per turn, lets you put the top card of your deck facedown in your inkwell exerted when you remove one or more damage from one of your characters