Add just one other card that ensures creatures enter the battlefield with a +1/+1 counterwhether that be from Master Biomancer, Cathars Crusade, Juniper Order Ranger, Good Fortune Unicorn, or Path of Discoveryplus a sacrifice outlet, you can go infinite pretty easily
Graven Cairns, for instance, was just re-released in Duskmourn, while Flooded Grove has been printed into the ground, with recent appearances in Thunder Junction, Bloomburrow, Duskmourn, and Tarkir: Dragonstorm
It makes three tokens right away, and then if its not removed it provides an edict
Devoid works in all zones, not just on the battlefield
This is fine if you really need it, and it might be a great sideboard option for decks that dont normally use 7-drops to help fight against slower decks, but the other 7-drops in the set are a lot stronger for ramp