Defender, The Magical Knight + Summoner Of Illusions = Dark Paladin By effect?

Summoner Of Illusions effect Flip: can special summon 1 Fusion Monster from the fusion deck. But at the end of the turn it's destoryed by the effect can i use Deffender The Magical Knights effect by removing one spellcounter from it's card can i keep it from being destoryed if it's a fusion spellcaster type?