MetalGreymon

＜Reboot＞ (Unsuspend this Digimon during your opponent's unsuspend phase.)
[On Play] [When Digivolving] Give 1 of your opponent's Digimon ＜Collision＞ (During this Digimon's attack, all of your opponent's Digimon gain ＜Blocker＞, and must block if possible.) and "[Start of Your Main Phase] This Digimon attacks." until their turn ends.

[Opponent's Turn] [Once Per Turn] When attack targets change, if this Digimon has [Greymon] in its name, trash your opponent's top security card.

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