Thunder Dragoner, Jackknife "Overload"

■ [Call Cost] [Put this card on top of a monster on your field & Pay 1 gauge]

■ If this card is on your field or in the soul of a 《Neodragon》, souls in all cards on your field cannot be dropped by your opponent's card effects.

■ Overturn [During each player's attack phase, drop a hand card] Call up to one monster with "Jackknife" in its card name from your deck on top of this card without paying its [Call Cost], and shuffle your deck!!

■ Soulguard