A fourth, smaller but common, is forgetting to attack with the leader herself: Yamato has Rush as a leader, so that attack is free every turn, and skipping it is a missed point of pressure, not a safe pass
Seriously, look at all the graveyard manipulation you could do in 2002, and that thing was still restricted in vintage
The Heros Downfall is from the Saturday Morning D&D Secret Lair, so thats a flavor win
(6/6/2025) Traveling Chocobo's last ability affects a permanent's own "enters" triggered abilities (as long as it's a land or Bird you control) as well as other triggered abilities that trigger when a land or Bird you control enters the battlefield
These make for a really lovely day out, not least if you can get yourself to one of the various Card Party events