Nostalgia Pool Quarter Century Secret Rare

2 Level 4 LIGHT monsters
Once per turn: You can detach 2 Xyz Materials from this card, then target 1 face-up monster your opponent controls; change its ATK to 0, and if you do, it has its effects negated. If this card you control is destroyed by an opponent's card (by battle or card effect) and sent to your Graveyard: Draw 1 card.

Once per turn, during the next Standby Phase after this card was destroyed by a card effect and sent to the GY: Special Summon this card from the GY. If you do: Destroy all other monsters on the field. When this card is destroyed by battle and sent to the GY: You can Special Summon 1 Fire King monster from your Deck, except Fire King High Avatar Garunix.

Target 1 FIRE monster you control and 1 FIRE monster in your GY; destroy that monster you control, and if you do, Special Summon that other monster from your GY. You can only activate 1 Circle of the Fire Kings per turn.

When this card is Normal Summoned: You can send 1 Slushy from your Deck to the GY. If you have 3 copies of Slushy total, either banished and/or in your GY (combined): You can banish this card from your GY, then target 1 Level 5 or higher Sea Serpent monster in your GY; Special Summon that target. You can only use this effect of Slushy once per turn.

When this card is flipped face-up: Place 1 You Got It Boss! Counter on it. You can remove all You Got It Boss! Counters on this card; its ATK becomes 2000. After you change this card's ATK with this effect, it cannot attack your opponent directly for the rest of this turn, and is sent to the Graveyard during the End Phase. You can Tribute this card to target 1 Photon or Galaxy monster in your Graveyard; add that target to your hand.

Once per turn, when this card inflicts battle damage to your opponent: You can Set 1 Fire Formation Spell Card directly from your Deck. Once per turn: You can send 1 face-up Fire Formation Spell/Trap Card you control to the Graveyard, then target 1 monster on the field; destroy that target.

If this card is used for an Xyz Summon, you can treat it as a Level 5 monster. An Xyz Monster that was Summoned using this card on the field as material gains this effect.
* If it is Xyz Summoned: Draw 1 card.

2 Level 4 monsters
Once per turn: You can detach 1 material from this card, then target 1 Beast, Beast-Warrior, or Winged Beast monster you control and 1 other card on the field; destroy them.

When this card is activated: You can add 1 Level 4 or lower Beast-Warrior monster from your Deck to your hand. All Beast-Warrior monsters you control gain 100 ATK. You can only activate 1 Fire Formation - Tenki per turn.

Target 1 face-up Effect Monster your opponent controls; that face-up monster your opponent controls has its effects negated until the end of this turn. During your turn, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard, then target 1 face-up Effect Monster your opponent controls; that target has its effects negated until the end of this turn.

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 DARK monster from your GY. You can only Special Summon White Dragon Wyverburster once per turn this way. If this card is sent from the field to the GY: You can add 1 Black Dragon Collapserpent from your Deck to your hand.

Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 1 LIGHT monster from your GY. You can only Special Summon Black Dragon Collapserpent once per turn this way. If this card is sent from the field to the GY: You can add 1 White Dragon Wyverburster from your Deck to your hand.