many of these effects are designed to ramp, and that just makes it more effective
The last list I have is a bit more ambitious than the previous two, but sometimes I just cant help myself
With them, you can copy the sphinx when it enters the battlefield and exploit the legend rule to sacrifice it and return it again and again to generate infinite death triggers and ETB effects with Blood Artist, for example
Standard is the main seasonal competitive format in MTG, using the most recent set releases with the older ones rotating out each fall
Chaos Orb breaks the rules by literally making contact with other cards, then taking them out of the battlefield in the process
Right now, the deck is short a potential two more Iago, Giant Spectral Parrots, which could make a big difference when added to the mix