General traits: Deal extra damage to summoned units, slow to negative mana regen, have stat bonuses proportional to their mana (extremely tough and deadly at 100% mana, can be killed by a Peasant at 0 mana).
Must Have Energy (Channeling): Casts Mana Drain on every target in Y radius.
Life to Mana (Active): Instantly converts X of the caster's HP to Y mana.
Leech Mana (Passive): Drains mana with every attack.
Rip Mana (Active): Targets a unit. Instantly transfers X mana from the target to the caster, but the caster suffers negative mana regen for a while.
Shielded Mana (Passive): While over 50% HP, any damage to the caster's mana is cancelled and dealt to its HP.
Hunger (Active): Drains HP and mana when attacking summoned units.
Seek Magic (Active): Pings the location of all units with mana, all units with buffs, and all units with non-physical abilities in a wide radius.
Feed the Rage (Passive): Adds damage to every attack equal/proportional to total number of buffs on the caster, dispelling a random buff with every attack. Alternately, extra damage is based on the number of buffs on the target.
Acquired Immunity (Passive): All buffs (positive and negative) are automatically dispelled at half their duration.
Strength of Will (Passive): Negative buffs increase attackspeed.
Any Source Will Do (Passive): Heals X HP whenever a spell is cast on the target.