Mammon the wealthy

Haste
At the the beginning of each upkeep untap
Mammon and each opponent may draw a card
and create a treasure token, for each opponent
who draws a card and creates a treasure token
this way you create that many treasure tokens
and draw that many cards.
{t}: target opponent chooses gold or knowledge if
he or she chooses knowledge you each draw
a card and if he or she chooses gold you each
create a treasure token.