BPhillipYork: This is decently utilitarian, 3 mana for a mana rock is close enough to good that with the other abilities it potentially includes
Second, the deck looks to generate value through counters (infect, +1/+1 counters, amass, etc), to take advantage of Thran's proliferate ability
In this standoff, Glorybringer wins, since being active is better than wasting the mana doing nothing
By giving the opponent a 1/1 Human token instead of a 3/3 Elephant, you significantly mitigate the risk of providing them with a meaningful attacker or blocker
It offers all the same features: the ability to easily create a deck for free, view others decks, and playtest any deck you want in order to see how it works in practice
If people are into Unearth, why not this