You cannot play too many delve cards nor can you play them in decks not somehow building up a graveyard with some level of speed and consistency and expect them to be good
That said, we might finally be reaching the ceiling on Gengar & Mimikyu-GX, with several sellers undercutting the Market Price by $20
The first big point is you may gain life, letting you choose whether or not to in case youre up against something like Tainted Remedy
Using the Shop Optimizer can help you find multiple cards from this set while minimizing your total costs
In summary, Baiting disruptions against the second effect of 'Aleister the Invoker' to let the main Drytron combo go through Fusion Summoning 'Invoked Mechaba' to combo while preventing the opponent's disruptions If 'Maxx C' or 'Droll & Lock Bird' goes through, Fusion Summon 'Invoked Mechaba' and stop there The fact that you can act flexibly in ways like these is likely why it was adopted, as the weaknesses of Drytron and the Invoked engine mesh well together
I usually play with Yuriko, the Tiger's Shadow as my commander, and I started playing FF9 because I became interested in it through this collaboration