16 Sets of the 10 cards are known to exist and were given to the participants of the 2001 Invitational
Gone are the days people would run commanders just because they were the colours they wanted access to Card advantage every top commander provides card advantage in some way, whether its literally drawing cards, card selection via scrying or similar, bringing cards back from the graveyard, tutoring, or even producing permanents such as tokens
Unbeatable features earn this deck its ULTRA status
Because vehicles are powered by power and not by toughness or CMC, aggro cards commonly found in Red are the cheapest casts to use as crew cards
A 7/7 Flying creature, Iona, Shield of Emeria can stop an opponent from casting spells of a chosen colour (chosen by you as Ionas controller) as the card enters the battlefield
All of them can be used as the alternative cost for the Heart of Kiran crew cost and Weatherlight can help find them