Give Ill-Tempered Loner indestructible, if needed.
Cast Chain of Plasma by paying 1, dealing 3 damage to Ill-Tempered Loner and causing you to discard a card and copy Chain of Plasma targeting Ill-Tempered Loner.
Taii Wakeen and Ill-Tempered Loner trigger.
Resolve the Taii Wakeen trigger, causing you to draw a card.
Resolve the Ill-Tempered Loner trigger, dealing 3 damage to any target.
Resolve the Chain of Plasma copy, dealing 3 damage to Ill-Tempered Loner and causing you to discard a card and copy Chain of Plasma targeting Ill-Tempered Loner.