Assault Sonic Warrior

[ Warrior / Effect ] If you control "Junk Warrior", "Assault Mode Activate", or a card that mentions either of them: You can Special Summon this card from your hand. If this card is Normal or Special Summoned: You can add 1 "Synchron" monster or "Assault Mode Activate" from your Deck to your hand. If this card is sent to the GY as Synchro Material: You can activate this effect; this turn, monsters you control gain 500 ATK. You can only use each effect of "Assault Sonic Warrior" once per turn. ATK/ 1000 DEF/ 0