Just files
Honorable Mention #3 Veteran Explorer The Explorer is a brilliant mana accelerant for several reasons, but the card disadvantage of giving away so many lands to others can hurt
If multiple players have Auras to put onto the battlefield, the player whose turn it is announces what their Auras will enchant, then each other player in turn order does the same, then all enchantments (both Auras and non-Auras) enter at the same time
This is an ability most likely to see play in formats where you can make your creatures unblockable and protect them, which means its big for Commander, but probably wont see much use elsewhere
Do you really want a four-drop with BB when youre trying to get Goblin Chainwhirler out there as soon as possible
Nogi, Draco-Zealot is best at the helm of a dragon deck, but there are just better choices for mono-red commanders for dragons (see Zirilan of the Claw)