Sunderflock 74 (Lorwyn Eclipsed)

This spell costs {X} less to cast, where X is the greatest mana value among Elementals you control. Flying When this creature enters, if you cast it, return all non-Elemental creatures to their owners' hands.

NM - $3.60
LP - $2.90
MP - $2.20
HP - $1.50
DMG - $1.50