While some characters are depicted as actually being on the high seas, most are in their element tinkering away in workshops or investigating mysterious circumstances
If you are collecting some of her older cards that were signed at that time you will notice the evolution of a block-style signature to her current more fluid, circular signature
A +1/+1 counters theme could make good use of this white enchantment too, but so many white+ decks can slot this in
This can also save you from decks that focus on one type of removal or another, ensuring you always have access to your extra mana
Clearly, this enchantment is made for messing up the combat, but the resolve is so complicated that at the end, you dont know what to do and how to end this nightmare
Don't think Shalai has to be in a deck to work, or needs a place to use +1/+1 counters