Cross Debug — Ruling

Effetto 1

This card's effect that Special Summons it from your hand is an Ignition Effect that activates in the hand. (It does not target.)

This card's effect that increases the ATK of your battling Link Monster by the ATK of a Link Monster in your Graveyard is a Quick Effect that activates in the Graveyard. (Banishing Cross Debug from your Graveyard is the cost to activate this effect.)
This effect targets 1 Link Monster in your Graveyard.
After this effect resolves, your battling Link Monster gains ATK until the end of this turn, but it is only prevented from being destroyed by the current battle.