Master's Diploman [DAMA-EN026] Common Gold Series 2009 You can only use each

You can only use each of the following effects of "World Gears of Theurlogical Demiurgy" once per turn

this card gains 300 ATK until the end of your opponent's turn

redo all of them

and Special Summon it in face-down Defense Position

Set: Stardust Overdrive Card type: Synchro/Effect Monster Rarity: Ghost Rare Attack: 3800 Defense: 3000 "Majestic Dragon" + "Stardust Dragon" + 1 non-Tuner monster You can Tribute this card to negate the activation of an opponent's Spell Card

Master's Diploman [DAMA-EN026] Common Gold Series 2009 You can only use eachSet: Dawn of Majesty Card type: Effect Monster Rarity: Common Attack: 2000 Defense: 2000 If this card is Tribute Summoned: You can target 1 monster in your GY and 1 face up monster your opponent controls; equip the monster from your GY to that opponent's monster. While equipped by this effect, the equipped monster loses ATK equal to the ATK of that monster equipped to it. Your opponent cannot activate the effects of monsters they control that are