Poliwhirl (89/165) [Expedition: Base Set]Set: Expedition: Base Set Type: Water Rarity: Uncommon Retreat cost: Colorless

(Put the card face up under your hero card

Set: Welcome to Rathe Edition: Alpha Print Finish: Rainbow Foil Type: Action Subtype: Attack Rarity: Super Rare Class: Generic Cost: 3 Power: 4 When you play Last Ditch Effort

it's put into the graveyard

Set: Platinum: Rising Rivals Type: Metal Rarity: Holo Rare Retreat cost: 0

Set: EX: Unseen Forces Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Sun & Moon: Burning Shadows Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

put a -1 [Defense] counter on it when the combat chain closes then destroy it if it has 0 [Defense]

Set: Diamond & Pearl: Base Set Type: Fighting Rarity: Common Retreat cost: Colorless

Set: Arcane Rising Edition: 1st Edition Finish: Rainbow Foil Type: Action Rarity: Rare Class: Mechanologist Cost: 0 Put a Mechanologist item with cost 0 from your hand into the arena

Set: HeartGold & SoulSilver: Unleashed Type: Lightning Rarity: Ultra Rare Retreat cost: Colorless

Set: XY: Black Star Promos Type: Grass Rarity: Promo Retreat cost: 0

When Convection Amplifier has no steam counters on it