Irou's effect can take down monsters before they become a threat, and Zanji's effect can take out an already active threat
Gwynn was of course designed to boost their consistency so I expect players to run no less than the full 4 copies of this supporter, alongside a lot of other cards that can discard stuff (Ultra Ball, Secret Box, Prism Tower)
"You can only activate 1 "Machina Retrofitting Plant" per turn
Youre adding more resources to your hand while adding more Power to your Leader to go for a heavier attack and making sure his effect is Active during the upcoming turn
It helps that Trickstar Reincarnation is an absolutely stellar card to pitch for all these effects, reborning Trickstars and making sure we get to end on Noble Angel
Weve got flying matters cards, cards that care about when creatures that entered this turn get into combat, and even J