Activate this Skill during your Main Phase. Once per Duel, you can choose 1 Level 4 or lower Zombie monster you control, and it gains the following effect while face-up on the field. • Once per turn: You can send 1 monster from your hand to the GY, then target 1 Level 4 or lower Zombie monster in either GY; Special Summon that target. This monster must be face-up on the field to activate and to resolve this effect.