Secret Door Secret Door is rather weak, honestly
Grandeur was effectively an outlet for extra legendaries you couldnt play, giving a player some payoff for running multiple copies of legendary creatures that would otherwise be useless unless played one at a time
9 Pol Jamaar, Illusionist Looks Can Be Deceiving Another Legendary creature, Pol Jamaar, Illusionist doesnt do much on their own
I figured speeding up the life-draining/damaging process would also be helpful if you wanted to run this deck as the archenemy, as therell be more pressure on you to close out the game quickly when it's one-on-three
Enchanted The Secret Rarity These cards are Enchanted versions of the three examples further above
You will need ramp early, and theres plenty of it to be had