If Mats Sundin had pursued higher education instead of hockey, he might have felt right at home as a drama major. Time and again over the course of his 18 NHL seasons, the legendary center displayed a remarkable knack for stepping into the spotlight at the perfect moment and bringing the house down. Big goals were his calling card. Take the 500th of his career, for example. Killing a penalty in overtime against the Flames, Sundin won a puck battle at his own blueline, dashed into the Calgary zone and unleashed a laser that beat Miikka Kiprusoff high glove to…