Junk Berserker (LC5D-EN043) [Legendary Collection 5D's]

Junk Synchron + 1 or more non-Tuner monsters // You can remove from play 1 Junk monster from your Graveyard to select 1 face-up monster your opponent controls. That monster loses ATK equal to the removed monster's ATK. If this card attacks a Defense Position monster, destroy that monster at the start of the Damage Step (without damage calculation).