Or even a twitchthroe would open up a bit more variety and diversity. Imagine a rare jwl that adds teleport as oskill in combination with cube recipes that can add multiple sockets on items.
Rebalancing teleport would be an alternative too. Readjustung stats on other runewords is another way. Removing tp from enigma and adding another tp-like spell with cooldown is another way. Giving each character a teleport-like spell is also an option. Endgame mapping systems that discourage using teleport and focus on multiplayer is a way to increase diversity of armor slot use.