Tamer

[Start of Your Turn] If your opponent has a Digimon in play, gain 1 memory.
[Your Turn] When one of your Digimon digivolves into a Digimon with the [Rock Dragon]/[Earth Dragon]/[Machine Dragon]/[Sky Dragon] trait, by suspending this Tamer, activate 1 of that Digimon's [On Play] effects.

[Security] Play this card without paying its memory cost.