Its active ability to sacrifice a Goblin for 1R and inflict two damage to a creature or player lets the player, should one prefer a passive style, quickly put the tokens put into play by other cards into the graveyard in order to reduce their life points over the opponents defense
This begs the question: Why is it essential to understand Magic card dimensions
Emry, Luker of the Loch Emry, Lurker of the Loch can tap to let you cast a target artifact from your graveyard
While giving each opponent a 1/1 is an annoying price to pay for this, it really isnt a big deal in the grand scheme of things, as youll effectively have access to a one-time boost of 3 mana most of the time
But you cant deny how phenomenal Astor is when supporting your deck
And if youre iterating fast (because Commander never stops evolving), you can keep updating versions and reprinting the newest list without starting over every time.