Chaosmon [BT4-090] (Online Champion) [Great Legend Promos] BT1-114 if you have a Tamer

if you have a Tamer in play

(When this Digimon attacks and deletes an opponent's Digimon and survives the battle

0 Card type: Digimon Rarity: Super Rare Digi type: Dragonkin Play Cost: 12 Form: Mega Attribute: Vaccine Digivolve Cost: 3 Digivolve Cost Level: 5 [When Digivolving] This Digimon gains ＜Security Attack +1＞ (This Digimon checks 1 additional security card) for the turn

and are Mega form

[Your Turn] While this Digimon has [Omnimon] or [Greymon] (other than [DoruGreymon]

Chaosmon [BT4-090] (Online Champion) [Great Legend Promos] BT1-114 if you have a TamerSet: Great Legend Promos Card type: Digimon Rarity: Rare Digi type: Unique Play Cost: 15 Form: Mega Attribute: Vaccine Digivolve Cost: 6 Digivolve Cost Level: 6 Piercing (When this Digimon attacks and deletes an opponent's Digimon and survives the battle, it performs any security checks it normally would.)[When Digivolving] Unsuspend this Digimon. Then, it can attack your opponent's Digimon. This effect allows you to attack unsuspended Digimon as well.