Bulk Up might not surprise your opponent on the flashback, but by then a trample enabler often makes it inevitable
This four-cost uncommon for Peasant uncommon slots, draws three like Concentrate in Blue or Ambition's Cost or Ancient Craving
Warren Soultrader must have been designed with some sort of infinite combo in mind, right
That functions a little more like a combo deck trying to kill you in one shot than a more traditional grindy mill deck though, so maybe this is used more for self mill
But going that direction gives you access to more consistent Treasure sources in Smothering Tithe, Monologue Tax, Lotho, Corrupt Shirriff, and Life Insurance, so could that get you to a Revel in Riches style wincon faster
There is minimal protection and evasion for Laelia to allow players to interact, but there is a solid amount of value and recursion to ensure you never fall behind if she is removed