Dragonite (18/102) [HeartGold & SoulSilver: Triumphant] World Championship 2011 Card Pack by Tributing 1 Thunder Effect

by Tributing 1 Thunder Effect non-Fusion Monster (in which case you do not use "Polymerization")

Set: 2003 Collectors Tin Card type: Effect Monster Rarity: Secret Rare Attack: 2600 Defense: 2300 The ATK of this card increases by 500 points for every Dragon-Type monster on your opponent's side of the field and Graveyard

if it was a Flip monster

by discarding 1 WATER monster to the Graveyard

this card loses ATK equal to the difference

Dragonite (18/102) [HeartGold & SoulSilver: Triumphant] World Championship 2011 Card Pack by Tributing 1 Thunder EffectSet: HeartGold & SoulSilver: Triumphant Type: Colorless Rarity: Rare Retreat cost: Colorless,Colorless,Colorless,Colorless