Meganium (9/115) [EX: Unseen Forces] RC23 if the number of counters

if the number of counters is equal to or greater than the number of required Tribute(s)

You can remove from play all other DARK monsters you control and from your Graveyard to have this card gain 500 ATK for each card removed

1 "Masked HERO" monster with the same Attribute

Set: Shonen Jump Magazine Promos Card type: Link/Effect Monster Rarity: Ultra Rare Attack: 2400 2+ monsters with the same Type

Set: Elemental Energy Card type: Fusion/Effect Monster Rarity: Ultra Rare Attack: 2600 Defense: 2300 "Elemental Hero Wildheart" + "Elemental Hero Bladedge" This monster cannot be Special Summoned except by Fusion Summon

Meganium (9/115) [EX: Unseen Forces] RC23 if the number of countersSet: EX: Unseen Forces Type: Grass Rarity: Holo Rare Retreat cost: Colorless,Colorless,Colorless