Generaider Boss Room — Ruling

Effetto 0

This card's effect that changes the effect of an opponent's card to be "Each player draws 1 card." starts a Chain. (Discarding 1 card is the cost to activate this effect, and it cannot be activated during the Damage Step.)
This effect does not target. (When your opponent activates a card or effect in response to the activation of your "Generaider" card or effect's activation, you can activate this effect by chaining directly to that opponent's effect.
If you activate this face-down card by chaining to that opponent's card effect, you can activate this card's effect as part of the same Chain Link.