Poliwhirl (38/102) [Base Set Shadowless Unlimited] BT8-011 your opponent places 1 card

your opponent places 1 card from their hand on either the top or bottom of the Deck

or if this card in your possession is destroyed by an opponent's card effect and sent to your Graveyard: You can Special Summon 1 "Gaia The Fierce Knight" monster from your hand

during damage calculation: The equipped monster's ATK and DEF become equal to the ATK or DEF (whichever is higher) of the opponent's battling monster +100

then you can Special Summon it if it is a "Star Seraph" monster

then you can send 1 linked monster your opponent controls to the GY

Poliwhirl (38/102) [Base Set Shadowless Unlimited] BT8-011 your opponent places 1 cardSet: Base Set Shadowless Unlimited Type: Water Rarity: Uncommon Retreat cost: Colorless