Silence them away with a little Gruul decimation
Hades Infernal Schemer is the gold standard for non-destructive removal because he doesnt banish a character, he places them facedown into the opponents inkwell
Locke eventually succeeds in doing so with the Phoenix Espers Magicite
Yes, this came at the expense of Limited play, but if that was the cost of staying in business, that's what they had to do
You can pay seven mana to meld him with The Mightstone and Weakstone to create Urza, Planeswalker, who has a whopping five different abilities you can use - and you can choose to activate two abilities per turn instead of just one
You dont know exactly what youll get, but its going to be something good for sure, especially when X=7 or higher