yugioh the duelist genesis card list Yu-Gi-Oh! - De-Synchro (TDGS-EN049) - - Unlimited Edition Genesis list update. : r/yugioh

Unforgiving Aim is the perfect example of this - it's an inflexible card that you probably wouldn't play in your main deck, since three-mana is a pretty hefty price for the effect it provides

However, Narset, Enlightened Masters ability makes it so that you pretty much become forced to either play or lose your cards

Then make more goblins

Some kids brought in cases of cards one day at college and said if anyone wanted to build anything out of them, they were free

Granted i dont know many auto buyers

The precon is also a fine place to start from, but hopefully I've managed to get you a little further down the path towards having your own fairly well tuned Omo list