You can Tribute this card; Special Summon 1 monster from your hand or Deck that specifically lists Assault Mode Activate in its text, except Assault Sentinel , also you cannot Special Summon monsters from the Extra Deck for the rest of this turn, except Synchro Monsters. You can target 1 face-up monster you control; reveal 1 Synchro Monster in your Extra Deck, and if you do, the targeted monster s Type and Attribute become the same as the revealed monster s, until the end of this turn. You can only use each effect of Assault Sentinel once per turn.