How it wins
Chazz's deck: Armed Dragons level up from LV3 to LV10, the V to Z machines combine into VWXYZ-Dragon Catapult Cannon, and the Ojamas get in the way of the opponent.
Key cards
Armed Dragon LV3
Armed Dragon LV5
VWXYZ-Dragon Catapult Cannon
Tip
Armed Dragon LV3 becomes LV5 in your Standby Phase. Keep it alive one turn, then LV5 can destroy a monster by sending a card from your hand.