Bahamut is depicted as his Final Fantasy X version
I think Commander players, at least non-cEDH ones, tend to be more willing to embrace chaos or make risky plays than competitive players
Forcing everyone else to have just one dork is pretty rough to get past
However, if a single creature you control with lifelink deals combat damage to multiple creatures, players, and/or planeswalkers at the same time (perhaps because it has trample or was blocked by more than one creature), the ability will trigger only once.
(It's an artifact with ", Sacrifice this token: Add one mana of any color.") Put a +1/+1 counter on another target creature
That's because some creatures naturally work well together: Specters are big fans of discard for instance, while Skeletons like to rise from the grave