MetalGreymon

＜Raid＞ (When this Digimon attacks, you may switch the target of attack to 1 of your opponent's unsuspended Digimon with the highest DP.) [All Turns] [Once Per Turn] When an attack target is switched, you may play 1 black or red Tamer card with a play cost of 4 or less from your hand without paying its cost.

Inherited effect

[Your Turn] While this Digimon has [Greymon] or [Omnimon] in its name, it gains ＜Piercing＞ (When this Digimon attacks and deletes an opponent's Digimon and survives the battle, it performs any security checks it normally would.)

Alternate effect

[Digivolve] Lv.4 w/[Greymon] in name: Cost 3