Davis Motomiya & Ken Ichijoji (BT16-085) - Beginning Observer Foil

[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.

[Security] Play this card without paying the cost.