Grepher Deck Breakdown
Main: 41 Extra: 15







Destiny HERO - Diamond Dude
ATK:
1400
DEF:
1600
Once per turn: You can excavate the top card of your Deck, and if it is a Normal Spell, send it to the GY, otherwise place it on the bottom of your Deck. During the Main Phase of your next turn, you can activate the effect of that Spell in your GY (even if you no longer control this face-up card).







Crush Card Virus
Tribute 1 DARK monster with 1000 or less ATK; your opponent takes no damage until the end of the next turn after this card resolves, also, you look at your opponent's hand and all monsters they control, and if you do, destroy the monsters among them with 1500 or more ATK, then your opponent can destroy up to 3 monsters with 1500 or more ATK in their Deck.







Black Rose Dragon
ATK:
2400
DEF:
1800
1 Tuner + 1+ non-Tuner monsters When this card is Synchro Summoned: You can destroy all cards on the field. Once per turn: You can banish 1 Plant monster from your GY, then target 1 Defense Position monster your opponent controls; change that target to face-up Attack Position, and if you do, its ATK becomes 0 until the end of this turn.







Colossal Fighter
ATK:
2800
DEF:
1000
1 Tuner + 1 or more non-Tuner monsters This card gains 100 ATK for every Warrior-Type monster in any Graveyard. When this card is destroyed by battle and sent to the Graveyard: You can target 1 Warrior-Type monster in either Graveyard; Special Summon that target.







Red Dragon Archfiend
ATK:
3000
DEF:
2000
1 Tuner + 1 or more non-Tuner monsters After damage calculation, if this card attacks a Defense Position monster your opponent controls: Destroy all Defense Position monsters your opponent controls. During your End Phase: Destroy all other monsters you control that did not declare an attack this turn. This card must be face-up on the field to activate and to resolve this effect.







Stardust Dragon
ATK:
2500
DEF:
2000
1 Tuner + 1+ non-Tuner monsters When a card or effect is activated that would destroy a card(s) on the field (Quick Effect): You can Tribute this card; negate the activation, and if you do, destroy it. During the End Phase, if this effect was activated this turn (and was not negated): You can Special Summon this card from your GY.







Thought Ruler Archfiend
ATK:
2700
DEF:
2300
1 Tuner + 1 or more non-Tuner monsters If this card destroys a monster by battle and sends it to the Graveyard: Gain LP equal to that monster's original ATK in the Graveyard. During either player's turn, when a Spell/Trap Card is activated that targets exactly 1 Psychic-Type monster (and no other cards): You can pay 1000 LP; negate the activation, and if you do, destroy it.