There are some abuses of this with alternate casting cost things, Vine Dryad, Tasigur, Myr Enforcer
However, it won't have either haste or "When this creature dies, draw a card," and you won't sacrifice the new copy at the beginning of the next end step
Using their sacrifice ability can scale them rather quickly and then you can kill them off too for widespread damage
The white theme of number of equipment and auras matter is especially nice with this commander, too
Enchantment - Class Urabrask First strike Whenever you cast an instant or sorcery spell, Urabrask deals 1 damage to target opponent
With the right support, this archetype can function as a well-oiled control deck, outlasting opponents rather than outpacing them