All magic power is drained from the battlefield, and spellcasting is ended for the turn. All players' magic cards are discarded. Any spells currently in play are dispelled. Drain Magic cannot be dispelled.
Source: Warhammer Fantasy: 4th Edition
All magic power is drained from the battlefield, and spellcasting is ended for the turn. All players' magic cards are discarded. Any spells currently in play are dispelled. Drain Magic cannot be dispelled.