Utility Tech Options If you want to add a low-cost [Blocker], the 1-cost ST01-006-tony-tonychopper is a solid tech option that slightly improves the survivability of your EB03-001-nefeltari-vivi deck
Mirror Split and Feather Rest are fine, but they don't move the game state all that much, Elegance is nice, but being a trap makes has its own issues
This can be any card, though, so in the late game, you can pitch extra land to rebuy your creatures
Nami, OP03-40 ($465) One of the longest serving crewmembers of the Straw Hat Pirates, Nami is their Navigator and one of the Straw Hat Grand Fleets Senior Officers
Milotic ex Stall is an absolute killer against your deck, capable of preventing damage via multiple attackers
A gentle wipe with a microfiber cloth can remove any dust or fingerprints