[When Digivolving] You may place 1 Digimon card with [Gammamon] in its text from your trash as this Digimon s bottom digivolution card. Then, you may delete 1 Digimon with a level less than or equal to the number of this Digimon s digivolution cards.

[On Deletion] You may return 1 Digimon card from your trash to the hand. Then, by trashing 1 [Siriusmon] in your hand, you may play 1 [Proximamon] from your hand without paying the cost