Tavern's Backdoor

{3}, Exile an untapped creature you control: Put two time counters on the exiled card. If it doesn't have suspend, it gains suspend. Any player may activate this ability.
Whenever a creature enters the battlefield from exile, if it was exiled with Tavern's Backdoor,
that creature's controller gains life equal to its toughness and draws a card.
Leave your coins inside and weapons outside.