As for Walking Wake exs Ability, Aure Seas, it allows Walking Wakes attacks to be unaffected by any effects on your opponents active Pokmon, which could prove very useful against Tool-heavy compositions
My main issue with this card is that the cost of using it feels so high
[card]Mirari[/card] [B]/[D+] Mirari is a nice inclusion here as it fits nicely with Jelevas mechanic and generally provides an ability EDH players like
Obviously, this card does so much more, so theres not much risk involved here
It works particularly well with something like Party, where you need multiple creature types on the field Unsettled Mariner A 'hate bear' that can make interaction a nightmare for your opponents, Unsettled Mariner makes anything that targets your permanents cost just that little bit extra
Filling in the cantrip and early-game portion of your deck is easy