Fydraulis Harmonia [BLZD-EN024] Secret Rare Burst Protocol You can only use this

You can only use this effect of "Primeval Planet Perlereino" once per turn

Set: The Infinity Chasers

but with a bonus chance to upgrade to Starlight Rare

then your opponent discards 1 card

Fydraulis Harmonia [BLZD-EN024] Secret Rare Burst Protocol You can only use thisFydraulis Harmonia Set: Blazing Dominion Rarity: Secret Rare Condition: Near Mint Language: English When a monster your opponent controls activates its effect (Quick Effect): You can reveal this card in your hand and up to 5 Synchro Monsters in your Extra Deck; apply all of these effects in sequence, based on the number revealed, also you cannot activate the effects of monsters Special Summoned from the Extra Deck until the end of your next turn after