Lazondi, Monarch of Gems

Converge — Lazondi enters the battlefield with a crystal counter on it for each color of mana spent
to cast it.
Whenever you cast a multicolored spell, place a crystal counter on Lazondi.
{g}: Remove a crystal counter, create a treasure.
{1}{w}: Remove a crystal token, counter target
spell that targets a creature you control.
{2}{b}: Remove a crystal token, create a 1/1 copy
of a creature in your graveyard. Sacrifice it at the beginning of the next end step.