Meganium (26/123) (Cracked Ice Holo) [HeartGold & SoulSilver: Base Set] Astral Pack 1 When he initiates a Contact

When he initiates a Contact Fusion with a Neo-Spacian

When this card destroys an opponent's monster by battle: You can halve your opponent's LP

except "Secret Six Samurai - Hatsume"

Set: 2010 Duelist Pack Collection Tin Card type: Normal Trap Rarity: Secret Rare Attack: 0 Defense: 0 Activate only when an effect was activated that destroys 2 or more cards you control

When a face-up monster you control is destroyed by a card effect and sent to the Graveyard: You can Special Summon this card (from your hand)

Meganium (26/123) (Cracked Ice Holo) [HeartGold & SoulSilver: Base Set] Astral Pack 1 When he initiates a ContactSet: HeartGold & SoulSilver: Base Set Type: Grass Rarity: Promo Retreat cost: Colorless,Colorless