Forum:Lv up question

if i was 2 summon silent swordsman lv 7 by useisng the effects of lv 5 n then silent swordsman lv 7 was destroyed by battle can i use prem/monster reborn 2 bring him back 2 the field again?

and if i was 2 use lightning vortex n discarded silent swordsman lv 7 to the grave can i use level modulation to bring him bak?