Megarock Dragon [DR3-EN195] Super Rare SWSH014 You can discard this card

You can discard this card to the Graveyard to add a "Polymerization" from your Deck to your hand

If your Life Points are higher

This card gains 500 ATK for each face-up WATER monster on the field

Special Summon 1 Level 4 "Magnet Warrior" monster from your Deck (this is a Quick Effect)

Set: Duel Terminal 3 Card type: Effect Monster Rarity: Rare Attack: 1800 Defense: 300 When this card is Normal or Special Summoned

Megarock Dragon [DR3-EN195] Super Rare SWSH014 You can discard this cardSet: Dark Revelation Volume 3 Card type: Effect Monster Rarity: Super Rare Attack: ? Defense: ? This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by removing from play a Rock Type monster(s) in your Graveyard. The original ATK and DEF of this card become the number of Rock Type monsters you removed from play when you Special Summoned this card x 700.