My opponent has this card in play when I activate the effect on a card like [BT1-090 Gravity Crush], [BT1-021 MetalGreymon], [BT1-040 WereGarurumon], [BT1-058 Chirinmon], or [BT1-075 Digitamamon]. What happens?
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Official Ruling
You can't use Option/Digimon card effects to gain memory, but you can still lose memory if a card effect specifies as such.
Source: BT3-061 Chuumon
