Haste (This creature can attack, and as soon as it comes under your control.) : Target opponent creates X Treasure tokens (A Treasure is an artifact with ", Sacrifice this artifact: Add one mana of any color."), where X is the number of Treasure tokens (A Treasure is an artifact with ", Sacrifice this artifact: Add one mana of any color.") 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.