Random Portal

Upgrade Area 1: The Portal Lasts until the
end of your next turn, creatures can travel
Upgrade Area 2: through the Portal once and
arrive at a random destination.
Exhaust
Roll a d4, summon a creature of that CR
Roll a d20, on a 1 the creature is hostile to you,
2-10 hostile to all, 11-19 hostile to your enemies,
on a 20 it is an ally.