It is never a great tempo card but it does its job well enough
If your collection is old and large enough, its very likely theres many cards in this pile worth 1-5$ so you are definitely leaving some money on the table but if you arent knowledgeable enough to spot these cards at a glance, its probably not worth it to enter all this into a tracking software, especially if you have no interest in selling single cards online
Now, lets crack open this box and see how things go
10/10 would recommend to any collector.
If anything is ever taken out with removal, Urborg Repossession allows you to easily bring it back without investing many resources into it
Ardenn, Intrepid Archeologist + anyone (I like Rograkh, Son of Rohgahh or Akiri, Line-Slinger): This guy isn't really going to be killing anyone himself, but his ability will save you a ton of mana on equip costs which allows you to keep up mana for interaction or protection