Vorel of the Hull Clade does not have summoning sickness.
Mana Needed
({4} magic symbol) ({G} magic symbol) ({W} magic symbol) ({U} magic symbol) ({U} magic symbol) the first turn, and ({G} magic symbol) ({U} magic symbol) available each extra turn available.
Steps
Cast
Teferi by paying ({4} magic symbol) ({W} magic symbol) ({U} magic symbol) , causing it to enter the battlefield as a 7/7 Dinosaur creature in addition to its other types due to
Displaced Dinosaurs.
Activate
Vorel of the Hull Clade by paying ({G} magic symbol) ({U} magic symbol) and tapping it, doubling the counters on
Teferi.
Activate
Teferi's third loyalty ability by removing ten loyalty counters from it, causing you to take an extra turn after this one.
At the beginning of your end step,
Conjurer's Closet triggers, blinking
Teferi, causing it to enter the battlefield as a 7/7 Dinosaur creature in addition to its other types due to