Yao Qinglan P-168

[Start of Your Main Phase] If your opponent has a Digimon, gain 1 memory. [Your Turn] When effects add digivolution cards under any of your Digimon with [Aqua]/[Sea Animal] in one of its traits, by suspending this Tamer, one of those Digimon may digivolve into a Digimon card with the [Aqua]/[Sea Animal] in one of its traits in your hand with the digivolution cost reduced by 1.

Security Effect [Security] Play this card without paying the cost.