Davis Motomiya & Ken Ichijoji [BT16-085] [Beginning Observer]

[Start of Your Main Phase] You may play 1 [Veemon] or [Wormmon] from your hand without paying the cost. At the next end of your opponent's turn, return it to the hand. [Your Turn] When one of your Digimon digivolves into a blue or green Digimon, by suspending this Tamer, gain 1 memory. If DNA digivolving, trash any 3 digivolution cards under your opponent's Digimon.