Why pierce once when you can pierce twice?
RD/CP01-JP012 大貫通！！Daikantsuu!! (Greater Piercing!!)
Normal Spell Card
Requirement: Activate by sending 1 card from your hand to the GY.
Effect: Choose 2 face-up monsters you control with the same Level. During this turn, those monsters’ attacks pierce. (When they attack a Defense Position monster, inflict battle damage equal to how much greater their ATK is than that monster’s DEF.)