Crushing Hammers

[Toffee.]

Hammercrush Spike-Knight
EARTH / Level 4
[Rock/Effect]
Cannot be Special Summoned from the Deck or Graveyard. When this card is Normal Summoned, you can Target 1 Face-up Attack Position monster your Opponent controls: Switch it to Defense Position, and if you do, this card gains 400 ATK. If this card destroys an Opponent's monster as a result of battle: Draw 1 card. Once per turn, during your own turn, if this card is targeted by a card effect, you can pay 1000 Life Points: Negate that effect.
ATK 1700 / DEF 1500

Hammercrush Over-General
EARTH / Level 4
[Rock/Effect]
Cannot be Special Summoned from the Deck or Graveyard. During the End Phase of a turn in which you payed Life Points to activate the effect of a "Hammercrush" monster, you can Draw 1 card. This effect of "Hammercrush General" can only be activated once per turn. Face-up "Hammercrush" monsters you control Inflict piercing damage. Destroy this card if it is the target of an attack. Once per turn, during your own turn, if this card is targeted by a card effect, you can pay 1000 Life Points: Negate that effect.
ATK 2000 / DEF 0

Hammercrush Rhino-Rush
EARTH / Level 4
[Rock/Effect]
Cannot be Special Summoned from the Deck or Graveyard. Your Opponent cannot declare an attack against "Hammercrush" monster, except for "Hammercrush Rhino-Rush". If this card is removed from the field by your Opponent's card(either by battle or card effect): Add to your Hand 1 "Hammercrush" card from your Deck. Once per turn, during either player's turn, you can send 1 card from your Hand to the Graveyard: Switch this card's Battle Position. Once per turn, during your own turn, if this card is targeted by a card effect, you can pay 1000 Life Points: Negate that effect.
ATK 1300 / DEF 2100

Hammercrush Georaptor-Battleclaw
EARTH / Level 4
[Rock/Effect]
Cannot be Special Summoned from the Deck or Graveyard. When this card is Normal Summoned, you can Target 2 "Hammercrush" monsters in your Graveyard: Return them to the Deck, and if you do, Draw 1 card. If this card is destroyed as a result of battle, you can Special Summon 1 "Hammercrush" monster(from your Hand). The Summoned monster cannot be destroyed by card effects until your next End Phase. Once per turn, during your own turn, if this card is targeted by a card effect, you can pay 1000 Life Points: Negate that effect.
ATK 1600 / DEF 1600

Hammercrush Ironplate-Brawler
EARTH / Rank 4
[Rock/Xyz/Effect]
3 Level 4 "Hammercrush" monsters.
Cannot be Special Summoned except by Xyz Summon. When this card is Xyz Summoned, you can Target 1 "Hammercrush" monster in your Graveyard: Add it to your Hand. If this card destroys an Opponent's monster as a result of battle, return that monster to the bottom of the Opponent's Deck instead of sending it to the Graveyard. Once per turn you can Detach 1 Xyz Material from this card and Target 1 Spell/Trap card on the field: Destroy it. During either player's turn, if this card is targeted by a card effect, you can pay 1000 Life Points: Negate that effect.
ATK 2700 / DEF 2500

Hammercrush Warfare
Spell / Continuous
Face-up "Hammercrush" monsters you control gain 200 ATK. If this card is destroyed by your Opponent's card: Draw 1 card. If a Face-up "Hammercrush" monster you could would be destroyed as a result of battle, you can send this card to the Graveyard instead.

Hammercrush Gigacrush
Spell / Quick-Play
Target 1 Face-up "Hammercrush" monster you control. Target gains 1000 ATK until the End Phase. During this turn, if it destroys an Opponent's monster as a result of battle: Draw 1 card. You can only activate 1 "Hammercrush Gigacrush" per turn.

Hammercrush Blitzing
Trap
Add to your Hand 1 "Hammercrush" monster from your Deck. OR, if this card was activated during your own turn, you can Special Summon 1 "Hammercrush" monster from your Hand instead.

Hammercrush Mirage
Trap / Counter
Activate by paying 1000 Life Points if a Face-up "Hammercrush" monster you control would be removed from the field by a card effect your Opponent controls: Until the End Phase, all Face-up "Hammercrush" monsters you currently control are unaffected by your Opponent's card effects.

Hammercrush Battle Tactics
Trap
Activate if a Face-up "Hammercrush" monster you control is destroyed as a result of battle: Draw 2 cards. If this Set card is destroyed by your Opponent's card effect: Draw 1 card and Inflict 1000 damage to your Opponent. You can only activate 1 "Hammercrush Battle Tactics" per turn.

[Darj]

The archetype looks great.

But I don't get why you gave them those Special Summoning restrictions.