| Set | No. | Name | Rarity | |
|---|---|---|---|---|
| Expedition Base Set | 18 | Meganium | Rare Holo | |
| Expedition Base Set | 53 | Meganium | Rare | |
| Expedition Base Set | 54 | Meganium | Rare | |
| Unseen Forces | 9 | Meganium | Rare Holo | |
| Unseen Forces | 106 | Meganium ex | Rare Holo EX | |
| Dragon Frontiers | 4 | Meganium δ | Rare Holo | |
| Mysterious Treasures | 13 | Meganium | Rare Holo | |
| HeartGold & SoulSilver | 26 | Meganium | Rare | |
| HeartGold & SoulSilver | 109 | Meganium | Rare Prime | |
| HGSS Black Star Promos | HGSS08 | Meganium | Promo | |
| Call of Legends | 27 | Meganium | Rare | |
| Mega Evolution Promos | 001 | Meganium | Promo | |
| Mega Evolution Promos | 034 | Mega Meganium ex | Promo | |
| Mega Evolution | 10 | Meganium | Rare | |
| Ascended Heroes | 10 | Mega Meganium ex | Double Rare | |
| Ascended Heroes | 272 | Mega Meganium ex | Special Illustration Rare | |
| Blister Exclusives | 3 | Meganium - 3/122 (Cosmos Holo) | ||
| BREAKpoint | 3 | Meganium | Rare Holo | |
| Lost Thunder | 8 | Meganium | Rare Holo | |
| Neo Genesis | 10 | Meganium | Rare Holo | |
| Neo Genesis | 11 | Meganium | Rare Holo |