When things get even remotely complex, experienced players and those with excellent memory skills have a distinct advantage
This will cause you to put the Eldrazi and the petal into the deck consisting of only those two cards
While there are guidelines to keep in mind when deck building (no Game Changers in Exhibition or Core, no mass land denial through Upgraded, etc.), the bracket system is emphatically not just "put your deck into a calculator, get assigned a rank, and be ready to play." I deeply appreciate the tools that websites like Moxfield and Archidekt have put together to give you an overall estimate, and they've done some fantastic iteration to help emphasize intent as wellbut I want to stress that any estimate is just an estimate
These cards were generally a positive iteration on flip cards, but they have some advantages to them
Aetherdrift Commander TypeArtifact Collector Number139 Rarityuncommon ArtistCliff Childs When this artifact enters, exile target card from a graveyard