Xorot's transmission gate

You create two shimmering portals at a two points 5 ft off the ground within 90 ft of the caster. Allied creature can enter one portal and instantly travel to and exit out of another, the caster controls which portal the creature exits. 

At higher levels. When you cast this spell using a spell slot of 7th level or higher, the amount of portal summoned increases by one for each slot level above 6th. if this spell is cast at 8th level or higher it no longer requires concertation.