This alone is not bad at all for MTG 's Commander format, be it casual or competitive, as Blue comes with a lot of good tools to counter opponents' spells, draw cards, and generally control the battlefield
Sword of Hearth and Home and a way to either attack with another unblocked creature that can flicker Aurelia or a way to auto-equip, such as Ardenn, Intrepid Archaeologist, can help combo in this way
For example, if the target historic permanent card is an artifact card (but not a creature card) and you control March of the Machines ("Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value."), it will enter with two additional +1/+1 counters on it because it will be a creature on the battlefield
For Zendikar Rising Set Boosters, that means you will get a common or uncommon that is either a showcase card or a card that's a cool element of the set that we haven't talked about yet