Robert Wright and I spent most of our time before and during the tournament discussing sideboarding strategies, as it was quite difficult with this deck
Since Wilds of Eldraine is filled with enchantment tokens from Roles and artifact tokens from Foods, Bargain has plenty of potential to give players an edge in their matches
Other notable cards swapping out The cards we mentioned above are the heavy hitters swapping out in April, but its by no means an exhaustive list
Abomasnow's Vigor Link makes its attacks cost less energy, while Crobat's Cunning Link can deal 30 damage to the active Pokmon
Springleaf Parade Springleaf Parade pops out a bunch of relevant creatures at once and is a sort of Chromatic Lantern/convoke effect
As to when to stop torturing our aquatic friend, once you average turn 3 kills over a reasonably-sized number of games (or simply once you feel comfortable you wont miss these plays when also having to consider your opponents options), you should be ready to move on to playing actual games