Hiro Amanokawa (Digimon Animation Series 25th Anniversary Set)

[Start of Your Main Phase] By placing 1 Digimon card with [Gammamon] in its name from your hand as 1 of your Digimon's bottom digivolution card, gain 1 memory and [Draw 1].
[Your Turn] When one of your Digimon digivolves into a Digimon with [Gammamon] in its text, by suspending this Tamer, that Digimon gets +2000 DP for the turn.
[Security] [Security] Play this card without paying the cost.