Drana and Linvala

Flying, Vigilance
At the beginning of your combat count a number of {w}and {b}symbols in card manacost of another creatures under you control that share atleast one subtype with your commander, then exile target creature among them that has most prevalent symbol in his manacost until your next upkeep.
Gain life equal to a difference (this sentence still resolves if it target becomes illegal).Count again, if it becomes equal all creatures under you control have Flying, Vigilance, First strike, Lifelink