By discarding "Atlantean Heavy Infantry", "Atlantean Marksman" or "Atlantean Dragoons", to activate the "Mermails" effects you can destroy a card on the field ("Heavy Infantry" and "Marksman") or search your Deck for any Sea Serpent monster ("Dragoons"), such as "Abyssmegalo", while also gaining the "Mermail" effects
(9/20/2024) Replacement effects that modify creatures of a certain type as they enter will apply after you apply this effect
This doesn't cost any cards lost, and just three life
To use a Normal Spell Card, announce its activation to your opponent, placing it face-up on the field
[169] In addition, until 2007, some of the better players had opportunities to compete for a small number of scholarships
But even considering that, milling three and maybe getting one of them back depending on your hits is just a really weak payoff