While flipping the Journal into its Tomb form and grinding out your opponent with a constant stream of creatures from your graveyard is a tempting use case here, many decks will have great results just sticking with the front side and using it to trade tokens for card advantage every turn
Find a different card that works with that specific deck
If a player grows tired of Zurgo or even the back-up commander Neriv, Crackling VanguardNeriv, Crackling Vanguard, the deck offers a lot of highly functional cards for other decks that share colors
Now sure, you have to get his power up with Rancor, but you can cast all of them not just noncreatures
When people think of the worse card to be hit with, its a cyclonic rift
As for what it does, thats hard to tell because it literally doesnt tell you