If I had to think of the best, classic one-mana cards in every color, I would choose Swords to Plowshares, Ancestral Recall, Dark Ritual, Lightning Bolt, and Birds of Paradise
Always netting you one permanent, this creature synergizes in incredible fashion with artifacts that provide benefits when they leave the battlefield such as Ichor Wellspring and artifacts that can recover other artifacts from the graveyard such as Myr Retriever
the one that required breeding a Gold Chocobo and finding that hidden island
Thats why Stone Haven Outfitter can really do some yeomans work drawing cards and working with higher Equipment counts
The idea is that at individual scales the additional load is ignorable, but at mass scraper levels it adds up and makes scraping much more expensive
Late Game In the late game, its all about using the lead youve built up to close things out