This spell does not have a direct equivalent in SR.
Wyvern Call
(Conjuration/Summoning)
Level: 6
Range: 120 ft.
Duration: 1 round/level
Casting Time: 9
Area of Effect: Special
Saving Throw: None
When this spell is cast, the wizard opens up a magical channel that will summon a wyvern to <PRO_HISHER> aid. The creature will live and die at <PRO_HISHER> command until the spell’s duration expires.