Phantasmagoria

The sorcerer summons illusory creatures that flit across
the battlefield, seducing and bewildering the sorcerer's
foes.
Pick 1 enemy unit within 18" of the caster that is
visible to them, and roll 6 dice. For each 5+, until
your next hero phase, subtract 1 from that unit's
Bravery characteristic (to a minimum of 1).