I was thinking of a card that could take an opponents creature, but i haven't thought any further than that.
It would only last a turn then the creature would be returned under the owners control
Or maybe add a limitation where you can't take a creature over x atk or hp, so it wouldn't be too powerful and could be used just as a counter to antimatter.
Anyway I don't know what the cost would be or what element it would fall under.
What do you guys think?