Reinforcements
The Treachery of Rhudaur#85 (x3)
Event
[3]

You must use resources from 3 different heroes' pools to play this card.

Action: The players, as a group, can put up to 2 allies into play from their hands. Each of these allies may enter play under any player's control. At the end of the phase, return each of those allies that are still in play to their owners' hands.