Yamatako Orochi

This card on the field can be treated as a Level 8 monster when used for a Synchro Summon. A Synchro Monster that used this card as material gains this effect based on its original Level. ● 8 or lower: Gains 800 ATK/DEF. ● 9 or higher: If this card attacks a Defense Position monster, inflict piercing battle damage.

Sea Serpent WATER Tuner Monster 1 effect