This deck died down over time, especially when Mox Opal was originally banned (Mox Opal is back, but there are plenty of stronger combo options in Modern than Cheerios)
I think the best fodder are ones that replace themselves or have some sort of effect when they enter the battlefield since theyve already provided value coming in, so the body is fine to use going out
Legendary Creature - Elemental Phyrexian Sea-Dasher Octopus Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own
No matter how mana-screwed you are, thats not hard to accomplish
You can build around tokens, artifacts, draw-two payoffs, fish detectives, payoffs for Clue tokens, or even go the Voltron commander route if you so desire