How much complexity do you enjoy
They have absolutely no way to deal with a resolved Entreat the Angels, and even Jace, the Mind Sculptor is absurdly good considering BUG Delver is a tempo-oriented deck
When a creature, it can hide from removal, and while an aura, it can do the same
It offers great control and with the cards found in this starter deck, youll always have a DON
At least in Sheoldreds case, though, upping your removal count to beefy threats was a reasonable way to combat the menace
This land comes in untapped, so it's technically less expensive and can give you important access to a new color of mana on the same turn