Frankly, at this point in Hamel's career, I'd rather see what Falter has when he returns.
Suarez > Hamels, Falter?
Gibson is an innings eater, but that's all we need from #4/#5.
What the Phillies really need if Suarez remains a starter is a LH RP more reliable than Alvarado.
They need a healthy Brodgon and hopefully a resurgent SD, add them to Kennedy, Bradley, Neris, Alvarado, Coonrod and Hammer and you have a bullpen.
DLS is a wildcard, 7.02 ERA but 26 Ks in 16 IP, if he settles in he might be useful.
What would really help is if one of the Lehigh LHPs found their groove: Ogle, Singer, are the best bets.