Jackknife, "Drum Bunker"

■ [Call Cost] [Pay 1 gauge & Put this card on top of a monster with "Jackknife" or "Drum" in its card name on your field]

■ If there is a card with "Jackknife" in its card name in this card's soul, this card gets Move and Double Attack. If there is a card with "Drum" in its card name in this card's soul, this card gets critical+1, and Penetrate.

■ Soulguard