The ETB trigger will almost always enable an attack you didnt have before, and that means that the Pegasus will have an immediate impact on the board, in addition to being a 4-mana 2/3 Flyer itself
There is something wrong when youre sacrificing a creature to put a negligible creature onto the battlefield
Regardless, he insisted that the Puzzle would still go to the winner of their game
In Master Duel, players also use Deskbot 001 for this strategy, and when used as Halqifibrax's Special Summoned monster and then used with the Link Monster as materials for Auroradon, then Deskbot's effect triggers and it can be used to go into Baronne de Fleur as an optional boss monster to consider
Command Center is somewhat concerning at first sight, but realistically it is sort of just a more flexible but more requiring Royal Decree, so I can dig it