Troy, Approaching Advisor

Whenever a creature enters the battlefield
under an opponent's control, draw a card unless
that player pays 2.
{t}, Each opponent may draw a card.
For each opponent who did, draw a card and tap target permanent they control. It doesn't untap
during their next untap step.
At the beginning of each end step,
gain life equal to the number of creatures that
were tapped this turn.