yugioh envoy deck Black Luster Soldier - of The Beginning - TOCH-EN029 - Rare Destroy up to 2 cards on the field.You can only use this effect of Chaos Dragon Levianeer once per turn. Complete Custom Deck for Yugioh

While you have a card(s) in your Pendulum Zone, this card cannot be targeted by card effects

But since Moon Mirror Shield essentially makes a monster invincible when it comes to pure battle, I think it takes the lead by a few hairs.

Especially dangerous cards include Mikanko Water Arabesque which can tribute away one of your own monsters by equipping itself to your own, and Mikanko Spiritwalk which turns one of your own monsters into an Equip Card

With flash, it can act as surprise removal or save your own creature from combat

The precons within a given set are pretty well balanced, and the nature of Commander gives a great balance of familiarity and variance

Many players note that this makes casual meetups easier