You can use this card to get infinite turns, infinite mana, infinite 'comes into play' triggers, infinite Storm count, and the list goes on
I have seen it happen back when I was a total n00b, and it was shocking to see this little thing get big and then proceed to kill me, especially in limited, but I think you can even get it to be big in constructed
Ambitious Dragonborn is not yet on the battlefield when its effect looks for the creature or creature card with the greatest power, so any creatures that have a bonus to their power based on the number of creatures on the battlefield won't count it until after it enters with counters
Features When the box is opened the cards rise up "for easy access", and totally not "because it looks cool"
Games end quickly when this Temur commander drops two chonky threats into play and they all swing right away
Final Fantasy is good