Runner-Up: Massacre Wurm Red With some new art from Kenta Ishikawa, everyones favorite Goblin Shaman is around and slightly more affordable
I could easily be wrong, but my early intuition says Tamiyo, Field Researcher is not going to be great
You can use Gallant to either add any Rock monster to your hand or Special Summon a Rock monster from your hand in face-down Defense Position at the cost of detaching one XYZ material
Decks will typically focus on a single Egyptian God, since many of their support cards only work on a specific God (e.g., "Ancient Chant" searches "Ra" specifically), and those support cards lack synergy between each other
Splinter, Aging Champion If Splinter, Aging Champion were a different color it would not make this list, but white is excellent for flicker which means this approaches Thragtusk-level in use and is a great reason to make an EDH politic deal