Yuuko Kamishiro

Effect

[Security] Play this card without paying the cost. [Start of Your Main Phase] If your opponent has a Digimon, gain 1 memory. [All Turns] When attack targets change, by suspending this Tamer, for the turn, your opponent's Digimon's effects don't affect 1 of your Digimon with [Greymon] in its name or the [CS] trait and it gets +3000 DP.

Source Effect

[All Turns] [Once Per Turn] When attack targets change, if this Digimon is [Eater Eve], 1 of your Digimon gets +3000 DP for the turn.