*WARNING*: KEEP THEM AWAY FROM PETS, CHILDREN, AND MOUTHS
I dont think well see a ton of price movement here, but cards like Karakas, Rishadan Port, and Aether Vial could be poised for modest gains
You need to fire this off while you have enough creatures on the board if you use it for nabbing non-enchantments like planeswalkers, and three puts it on par with Abrade
You can play this a few ways, but loading Bria up with equipment or enchantments and winning through Commander damage is totally viable too
It turns out that even though its cool that they never really go away unless they get countered, tucking them is more of a liability than anything else
It's important to stress that these counters don't need to come from Owen necessarily, so we can copy +1/+1 counters, Flying counters, Indestructible counters, and many others