I used this card's [Trigger] effect to negate the effect of my opponent's Leader for one turn when my opponent's Leader was "OP03-040 Nami"
That said, Staff of Compleation has a real price associated with its modes
First we'll look at the MTG Commander precon deck Eternal Might
These cards were: Aurelia, the Law Above Lazav, Wearer of Faces Niv-Mizzet, Guildpact Rakdos, Patron of Chaos Teysa, Opulent Oligarch Trostani, Three Whispers Vannifar, Evolved Enigma Ravnica Remastered Ravnica Remastered was one of the sets with the most serialized cards available, with a whopping 64 cards available in XXX:500 versions
For the cards to add to your hand with Storm Dragons Return, its worth grabbing cards that activate from your hand, such as Evil HERO Aduster Gold and Elemental HERO Honest Neos