10 Shroofus Sproutsire is a Simply Elegant Snowball Commander Instant Army, Just Add Pump Spells When players think mono green stompy, they often think big-mana commanders like Selvala, Heart of the Wilds or landfall creatures like Rampaging Baloths
There's no way you get a better creature for only 4 mana in the Oldschool format, which is also why it's heavily wanted
Mechanized Production Mechanized Production is an aura that enchants an artifact and makes a copy of it every turn
At the same time, whereas in other formats a single bonus token may be enough to swing the game, in EDH you likely may have the time and means to assemble a small army
Its interesting to bring equipment that grant abilities, or those mechanic soup creatures
The ingest/process combinations may turn out to be too inconsistent for competitive players, who tend to seek combinations that flat-out win games when brought together