Megamorph [SRL-EN061] Ultra Rare Water[-20] Set: Speed Duel: Battle City

Set: Speed Duel: Battle City Box Card type: Normal Monster Rarity: Secret Rare Attack: 3000 Defense: 2500 This legendary dragon is a powerful engine of destruction

You can only use each of the following effects of "Lady Labrynth of the Silver Castle" once per turn

if a card(s) is added from the Main Deck to their hand (except by drawing it) and this card is in your hand

except a "Number" monster

Megamorph [SRL-EN061] Ultra Rare Water[-20] Set: Speed Duel: Battle CitySet: Spell Ruler Card type: Normal Spell Rarity: Ultra Rare While your Life Points are lower than your opponent's, the equipped monster's ATK becomes double its original ATK. While your Life Points are higher, the equipped monster's ATK becomes half its original ATK.