Destroy target creature. You may search your library and/or graveyard for a card named Tezzeret, Master of Metal, reveal it, and put it into your hand. If you search your library this way, shuffle it.
If the target creature becomes an illegal target for Tezzeretâ€™s Betrayal, the spell wonâ€™t resolve and none of its effects will happen. You wonâ€™t search for Tezzeret, Master of Metal.