Jam Defender is a Super Rare Trap Card card from Yu-Gi-Oh! (Retro Pack 2, RP02). Current market price: $0.18.
Super Rare
Retro Pack 2 (RP02)
Card Text
When an opponent's monster declares an attack on a monster you control: You can target 1 "Revival Jam" you control; switch the attack target to that target.
