Willis (Box Promotion Pack: Secret Crisis)

[Start of Your Main Phase] [On Play] 1 of your green Digimon gets +2000 DP until the end of your opponent's turn.
[Your Turn] When one of your Digimon with [Terriermon] or [Lopmon] in its name is played, by suspending this Tamer, 1 of your such Digimon may digivolve into a Digimon card in the hand with the digivolution cost reduced by 2.
[Security] [Security] Play this card without paying the cost.