Vazi, Keen Negotiator
{2}{B}{R}{G}Legendary Creature — Human Advisor
Haste {T}: Target opponent creates X Treasure tokens, where X is the number of Treasure tokens you created this turn. Whenever an opponent casts a spell or activates an ability, if mana from a Treasure was spent to cast it or activate it, put a +1/+1 counter on target creature, then draw a card.