Nostalgia Pool Quarter Century Secret Rare

1 Tuner + 1+ non-Tuner monsters
At the start of the Damage Step, if this card battles a face-up non-DARK monster: Destroy that monster.

When you take battle damage: You can Special Summon this card from your hand. Gains 600 ATK/DEF for each card in your hand. Once per turn: You can send 1 monster from your hand to the GY, then target 1 face-up monster your opponent controls with the same Level the sent monster had in the hand; take control of that face-up monster. Once per turn: You can target 1 monster in your GY; this card's Level becomes the same as that target's, until the end of this turn.

This face-up card on the field cannot be used as a Synchro Material. If this card is in the GY: You can target 1 non-Tuner Blackwing monster in your GY; banish both this card and that target, and if you do, Special Summon 1 Blackwing Synchro Monster from your Extra Deck whose Level equals the total Levels of the banished monsters, but its effects are negated.

If you control a face-up Level 3 or lower WATER monster: You can discard 1 card; Special Summon this card from your Graveyard. If this card is used as a Synchro Material Monster, all other Synchro Material Monsters must be WATER.

1 Tuner + 1 or more EARTH monsters
You can Tribute 1 X-Saber monster to discard 1 random card from your opponent's hand.

1 Tuner + 1+ non-Tuner monsters
You can discard any number of cards to the GY, then target the same number of cards your opponent controls; return those cards to the hand. You can only use this effect of Brionac, Dragon of the Ice Barrier once per turn.

You can Special Summon this card (from your hand) by sending 1 monster from your hand to the GY. For a Synchro Summon, you can substitute this card for any 1 Synchron Tuner. Cannot be used as a Synchro Material, except for the Synchro Summon of a monster that mentions a Synchron Tuner as material.

Each time a Six Samurai monster(s) is Normal or Special Summoned, place 2 Bushido Counters on this card. You can remove Bushido Counters from your field to activate these effects.
● 2 Counters: Target 1 Six Samurai or Shien Effect Monster; that target gains 500 ATK until the end of this turn.
● 4 Counters: Add 1 Six Samurai monster from your Deck or GY to your hand.
● 6 Counters: Target 1 Shien Effect Monster in your GY; Special Summon that target.

Requires 3 Tributes to Normal Summon (cannot be Normal Set). This card's Normal Summon cannot be negated. When Normal Summoned, cards and effects cannot be activated. Neither player can target this card with card effects. Once per turn, during the End Phase, if this card was Special Summoned: Send it to the GY. You can Tribute 2 monsters; destroy all monsters your opponent controls. This card cannot declare an attack the turn this effect is activated.

1 HERO monster + 1 WATER monster
Must be Fusion Summoned. Gains 500 ATK for each WATER monster on the field, except Elemental HERO Absolute Zero. If this card leaves the field: Destroy all monsters your opponent controls.

Drill Synchron + 1 or more non-Tuner Monsters
Once per turn, during your Main Phase 1: You can halve this card's ATK, and if you do, it can attack your opponent directly this turn. Once per turn: You can discard 1 card, and if you do, banish this card. During your next Standby Phase: Special Summon this card banished by this effect, then add 1 monster from your Graveyard to your hand.