Chimeratech Overdragon [DP04-EN013] Rare Synchro/Pendulum/Effect Monster it loses ATK equal to

it loses ATK equal to its DEF until the end of this turn

Set: 2015 Mega-Tins Mega Pack Card type: Normal Trap Rarity: Super Rare Target 5 "Noble Knight" monsters in your Graveyard

it sent to the Graveyard during the End Phase: During battle between this attacking card and Defense Position monster whose DEF is lower than the ATK of this card

You can only activate 1 "Celestial Observatory" per turn

you can activate the effect of that Spell in your GY (even if you no longer control this face-up card)

Chimeratech Overdragon [DP04-EN013] Rare Synchro/Pendulum/Effect Monster it loses ATK equal toSet: Duelist Pack 4: Zane Truesdale Card type: Fusion Effect Monster Rarity: Rare Attack: ? Defense: ? "Cyber Dragon" + 1 or more Machine Type monsters This monster cannot be Special Summoned except by Fusion Summon. When this card is Fusion Summoned, send all other cards you control to the Graveyard. The original ATK and DEF of this card are each 800 x the number of Fusion Material Monsters used for its Fusion Summon. Each turn, this card can attack