Mana Drain

Spell Type: Utility; Mana Cost: 3 MP; TN: 12
Test: Magic (Spirit) vs Spellpower; Requirements: None

You create a parasitic bond with a visible spellcasting target within 80 feet unless the target makes a successful Magic (Spirit) test vs. your Spellpower. Until the end of the encounter, an affected target must spend 1 extra mana point each time he casts a spell and each time this happens you gain 1 mana point.