You can Special Summon a card with this card’s name using the way written in its (1)st effect only once per turn.
You can use the (2)nd effect with this card’s name only once per turn.
(1) If your opponent controls more cards that are Spells or Traps than you do, you can Special Summon this card (from your hand).
(2) When this card declares an attack on an opponent’s Effect Monster while you control “Jinzo”: You can Tribute this card; place that opponent’s monster face-up in your opponent’s Spell & Trap Zone as a Continuous Trap.