This thing really excels when you can make tokens, and given that its so easy to make bundles of Soldiers, Spirits, Plants, Thopters and the like, youll easily find a way to cash these tokens in for sweet, sweet value
Find a Crossing Target creature gets +1/+0 until end of turn and cant be blocked this turn
There's a few other good ones too
the first is a feature article on Aethergeode Miner, and the other is from the set's lead designer, Ben Hayes
Ragavan joins the ranks of Mana Crypt and Demonic Tutor in terms of its relative health for that format
This was a problem though for things like MTG Changelings, as they then needed an additional bit of rules text to explain that they could attack, despite having the Wall creature type