Dragonroid [BROL-EN011] Secret Rare

Once per turn, if this card is in your GY: You can make this card become a Dragon monster while in the GY, until the end of this turn. You can discard this card, then activate 1 of these effects;
• Add 1 non-WIND "roid" monster from your Deck to your hand.
• This turn, the activation of your cards and effects that include an effect that Fusion Summons a Fusion Monster cannot be negated, also your opponent cannot activate cards or effects when a monster is Fusion Summoned this way.
You can only use this effect of "Dragonroid" once per turn.