Chaosmon [BT4-090] (Online Champion) [Great Legend Promos] BT15-102 by returning 3 cards with

by returning 3 cards with [Jellymon] in their texts from your trash to the bottom of the deck in any order

6 w/[Royal Knight] in traits[When Digivolving] You may place 1 card with [Royal Knight] in its traits and a play cost of 13 or less from your hand or trash under this Digimon as its bottom digivolution card

[Main] Search your security stack

then place that card and all of your [Royal Knight] trait Digimon as this Digimon's bottom digivolution cards

Chaosmon [BT4-090] (Online Champion) [Great Legend Promos] BT15-102 by returning 3 cards withSet: 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.