I would use Water Cannon if you either don't have four energy cards attached to Wailord or you feel lucky when you have at least three energy cards on Wailord so Water Cannon has a possibility of doing 90 damage
But they are your opinions and I can respect that
Additionally, "Shadow" has two unique effects, the first being that it allows the controller to Special Summon a Level 2 or lower Insect monster from their hand in face-up or face-down Defense Position, giving the archetype a more reliable way to amass field presence either to initiate their swarming capabilities or gather monsters to use as Link Materials for a Link Summon
Pair this with artifact creatures and lands like Darkmoss Bridge and youll keep those Bird tokens coming
In the UK, the cheapest tracked option is Royal Mails 2nd Class Signed For Letter, which currently costs 2.25 (and also insures you up to 20 in case Royal Mail does actually lose the parcel)
The leftmost and rightmost Spell & Trap Zones can optionally be treated as "Pendulum Zones" by placing Pendulum Monsters there, allowing players to use Pendulum Effects and perform Pendulum Summons