+shuffle, +and, +owners', +libraries, +u (3)
Defender, flying
: Put Gomazoa and each creature it's blocking on top of their owners' libraries, then those players shuffle.
, : Put Void Stalker and target creature on top of their owners' libraries, then those players shuffle their libraries.
: Put Vortex Elemental and each creature blocking or blocked by it on top of their owners' libraries, then those players shuffle.
: Target creature blocks Vortex Elemental this turn if able.
Gatherer works better in the Companion app!