Norman Osbourn/The Green Goblin He's no Fleem, but The Green Goblin/Norman Osbourn is still a pretty fantastic card, and might have potential in a few different spots
The early attempts varied widely between way too strong and way too weak, but no that they have learned not to make these designs to fancy, these cards have become a basic component of blacks abilities
Wibbly-Wobbly, Timey-Wimey Before the Doctor Who release, time travel wasn't a major consideration, with Alaundo the SeerAlaundo the Seer and Jhoira of the GhituJhoira of the Ghitu as the commander of .072% and .089% of decks on EDHREC, respectively
cards are in PRB-02
There are about a million 2/1s for two mana with some sort of upside that are playable, not just in Standard but in Modern as well, which means Naban, Dean of Iterationwhile restrictive in another way (only working with Wizards)is much easier to build around than Panharmonicon