Grimffy

Grimffy Grimcat
Level 2 DARK Beast/Effect
200/200
If a face-up "Grimffy" monster you control returns to your hand, while this card is in your hand or GY (except during the Damage Step): You can Special Summon this card. If this card is Special Summoned by the effect of a "Grimffy" card: You can add 1 "Grimffy" monster from your Deck to your hand, except "Grimffy Grimcat". You can only use each effect of "Grimffy Grimcat" once per turn.

Grimffy Grimfox
Level 2 DARK Beast/Effect
100/300
If a face-up "Grimffy" monster you control returns to your hand, while this card is in your hand or GY (except during the Damage Step): You can Special Summon this card. If this card is Special Summoned by the effect of a "Grimffy" card (except during the Damage Step): You can Fusion Summon 1 "Grimffy" Fusion Monster from your Extra Deck, using monsters from your hand or field as material. You can only use each effect of "Grimffy Grimfox" once per turn.

Grimffy Grimmot
Level 2 DARK Beast/Effect
400/600
If a face-up "Grimffy" monster you control returns to your hand, while this card is in your hand or GY (except during the Damage Step): You can Special Summon this card. If this card is Special Summoned by the effect of a "Grimffy" card: You can Special Summon 1 "Grimffy" monster from your Deck, except "Grimffy Grimmot", but return it to the hand during the End Phase. You can only use each effect of "Grimffy Grimmot" once per turn.

Grimffy Grimseal
Level 2 DARK Beast/Effect
300/100
If a face-up "Grimffy" monster you control returns to your hand, while this card is in your hand or GY (except during the Damage Step): You can Special Summon this card. If this card is Special Summoned by the effect of a "Grimffy" card: You can target 1 monster on the field; return it to the hand. You can only use each effect of "Grimffy Grimseal" once per turn.

Grimffy Grimpony
Level 2 DARK Beast/Effect
400/0
If a face-up "Grimffy" monster you control returns to your hand, while this card is in your hand or GY (except during the Damage Step): You can Special Summon this card. If this card is Special Summoned by the effect of a "Grimffy" card: You can target 1 Spell/Trap your opponent controls; destroy it. You can only use each effect of "Grimffy Grimpony" once per turn.

Grimffy Grimdog
Level 2 DARK Beast/Effect
300/100
If a face-up "Grimffy" monster you control returns to your hand, while this card is in your hand or GY (except during the Damage Step): You can Special Summon this card. If this card is Special Summoned by the effect of a "Grimffy" card: You can target 1 "Grimffy" monster in your GY, except "Grimffy Grimdog"; add it to your hand. You can only use each effect of "Grimffy Grimdog" once per turn.

Grimffy Grimbit
Level 2 DARK Beast/Effect
0/2100
If a face-up "Grimffy" monster you control returns to your hand, while this card is in your hand or GY (except during the Damage Step): You can Special Summon this card. If this card is Special Summoned by the effect of a "Grimffy" card: You can target 1 face-up monster on the field; negate that target's effects until the end of this turn. You can only use each effect of "Grimffy Grimbit" once per turn.

Grimffy Variety
Level 7 DARK Beast/Fusion/Effect
2500/2000
1 "Grimffy" monster + 1 Beast monster
Once per turn: You can target 1 face-up monster on the field; negate that target's effects until the end of this turn. You can only use each of the following effects of "Grimffy Variety" once per turn. You can target 1 Level 6 or lower "Grimffy" monster in your GY; Special Summon it in Defense Position, but return it to the hand during the End Phase. If a monster(s) is Special Summoned to your opponent's field (except during the Damage Step): You can target 1 Spell/Trap your opponent controls; destroy it.

Dire Grimffy
Level 6 DARK Beast/Fusion/Effect
2000/1500
2 "Grimffy" monsters
During your Main Phase: You can Special Summon 1 Level 5 or lower "Grimffy" monster from your hand or GY, but return it to the hand during the End Phase. If another face-up "Grimffy" monster you control returns to your hand (except during the Damage Step): You can target 1 Special Summoned monster your opponent controls; return it to the hand. You can only use each effect of "Dire Grimffy" once per turn.

Hopeless Grimffy
Level 5 DARK Beast/Fusion/Effect
2000/1000
2 "Grimffy" monsters
If this card is Fusion Summoned: You can excavate the top 3 cards of your Deck, and if you do, you can Special Summon 1 excavated "Grimffy" monster (but return it to the hand during the End Phase), also shuffle the rest into your Deck. If another face-up "Grimffy" monster you control returns to your hand (except during the Damage Step): You can make this card gain 500 ATK until the end of this turn. You can only use each effect of "Hopeless Grimffy" once per turn.

Gloomy Grimffy
Level 5 DARK Beast/Fusion/Effect
500/2500
2 "Grimffy" monsters
You can target 1 "Grimffy" Spell/Trap in your GY; add it to your hand. If another face-up "Grimffy" monster you control returns to your hand (except during the Damage Step): You can target 1 Special Summoned monster your opponent controls; it cannot attack this turn. You can only use each effect of "Gloomy Grimffy" once per turn.

Grimffy Forest
Field Spell
When this card is activated: You can add 1 "Grimffy" monster from your Deck or GY to your hand. Once per turn: You can activate 1 of these effects;
● Special Summon 1 "Grimffy" monster from your hand or GY, but return it to the hand during the End Phase.
● Fusion Summon 1 "Grimffy" Fusion Monster from your Extra Deck, using monsters from your hand or field as material.
You can only activate 1 "Grimffy Forest" per turn.

Grimffy Hide
Quick-Play Spell
Special Summon 1 "Grimffy" monster from your Deck, but return it to the hand during the End Phase. You can only activate 1 "Grimffy Hide" per turn.

Grimffy Demise
Normal Trap
Target an equal number of "Grimffy" monsters you control and cards your opponent controls; return them to the hand. If a face-up "Grimffy" monster you control returns to your hand, while this card is in your GY: You can Set this card, but banish it when it leaves the field. You can only use 1 "Grimffy Demise" effect per turn, and only once that turn.