If you can't hold it up when you want to counter something, or if you have to unwillingly refrain from developing your board in the late game to hold this up, that is a significant downside
Youll see Myrel targeted for bounce and spot removal a lot, and the rest of your deck is pretty efficient, so save this card for after some of the spot removal at the table has been applied
Lorthos, the Tidemaker While you probably wont use it as your blue commander, Lorthos, the Tidemaker is a strong piece to have at the top end of your mana curve in a sea creatures deck
Anyway, Sigarda's Summons gives a powerful buff to all your creatures and evasion in the form of flying, all while still leaving them Outlaws
Im excited to see what ideas youve got