PoE Cloak of Defiance, Trickster builds

Flat Damage - HOWA? (+11 per 10 int) - Mantra of Flames? - Shaper Mod %Increased - Indigon + Battlemage's Cry (< 3000% increased w/ 16000 mana spent recently) - 25% increased spell damage per 200 mana spent recently up to 2000% - 150% increased spell damage as increased attack damage - 37.5% increased attack damage per 200 mana spent - Anomalous Mana Leech Support (2000% increased w/ 16000 mana spent recently) - 25% increased attack damage per 200 mana spent recently at 50% qual More/Less Critical Strikes Penetration Increased Damage Taken Problems - Need to SPEND mana very

TL;DR: Rolled a Trickster Trinity wander with some lucky SSF drops (Mind of the Council + Cloak of Defiance + Call of the Brotherhood); looking for pointers as to next steps to take this to full endgame. Other constructive comments/general questions on the build welcome. I got really lucky with a Treant Horde unique drop session, landing Mind of the Council, Cloak of Defiance, and Call of the Brotherhood. With mana-based damage stacking becoming a little more viable with Eternal Blessing allowing access to auras, I decided to roll up a Trickster to take advantage of those items. I didn't init