It doesn't matter if the artifact with mana value 4 or greater you control as the ability resolves is the same as the one you controlled when it triggered
Kecleon 213/191 Loading
Ugin, Eye of the Storms $77.66 Ugin, Eye of the Storms is the highlight of this set in terms of price
Artifact Artifact (CTRL to add secondary) Creature Greater Morphling : This creature gains your choice of banding, bushido 1, double strike, fear, flying, first strike, haste, landwalk of your choice, protection from a color of your choice, provoke, rampage 1, shadow, or trample until end of turn
There are a lot of potential benefits to that digital-first approach, including for the publisher Equinox, which will get a cut of every card sale made on the secondary market
Lock in the piece before it lands