Zed, From the Shadows - Vendetta (023/166)

You may discard 1 as an additional cost to play me.
When you play me, if you paid the additional cost, play a 0 Might Shadow Clone unit token. (It has "When I attack, you may banish a unit from your trash. If you do, give me [ASSAULT 4] this turn.")

Ships sleeved and toploaded.