When Relief Captain enters the battlefield, support 3. (Put a +1/+1 counter on each of up to three other target creatures.)
1/22/2016 You can’t put more than one +1/+1 counter on any one target using the support action.
1/22/2016 Support can target a creature you don’t control.
1/22/2016 If a spell with support has other abilities that target creatures, those abilities and the support ability can target the same creature.