Sphinx Retrains

[Bringerofcake]

Exxod The Unbreakable

EARTH

Rock/Xyz/Effect

R6/0/2000

2 or more (up to 5) Level 6 Rock-type monsters

This card gains 500 DEF for each Xyz Material it has (up to 2000). Cannot be destroyed by card effects. While this card has 0 ATK, it must be in Defense Position. If your opponent targets this card with an effect or an attack: you can detach an Xyz Material from this card; Negate that effect or attack. If you do, change this card's battle position, and swap its ATK and DEF until the End Phase, and if you do, it gains 1000 ATK. Once per turn, during either player's turn: you can banish an Xyz Material from this card and target 1 card on the field and 1 card in your opponent's Graveyard; return the target on the field to the opponent's hand, and the target in the graveyard to the deck. Each effect of "Exxod the Unbreakable" can only be activated once per turn, and only once that turn.

 

Hieracosphinx

EARTH

Rock/Effect

6/2400/1200

You can Normal Summon or Set this card from your hand without a Tribute. If you do, halve this card's original ATK and DEF (if it was face-down, this effect still applies.) When your opponent declares an attack, if you control a Set monster: banish 1 Rock-type monster from your Graveyard: this turn, you can choose the targets of your opponent's attacks.

 

Cryosphinx

EARTH

Rock/Effect

6/1200/2600

You can Set this card from your hand without Tributing. If you do, and this card is flipped face-up: halve its DEF. If this card is destroyed by battle; Special Summon 1 "Sphinx" monster from your deck in face-down Defense Position. You can banish this card and a "Sphinx" monster from your Graveyard and target 1 "Sphinx" monster in your Graveyard; Special Summon it. This effect of "Cryosphinx" can only be activated once per turn.

 

Guardian Sphinx

EARTH

Rock/Effect

6/1600/2200

You can Set this card from your hand without Tributing. If you do, and this card is flipped face-up: halve its DEF. When this card is flipped face-up: target up to 3 cards on the field; return them to the hand. During either player's turn, when a monster is Normal Summoned: Banish this card and another Rock-type monster from your Graveyard; Set that monster. This effect of "Guardian Sphinx" can only be activated once per turn.

 

Keeper of Riddles

EARTH

Rock/Effect

1/0/0

During either player's turn, you can discard this card from your hand and target 1 face-up card on both sides of the field: Set those cards. If this card is banished by a Rock-type monster's effect: Send 1 Rock-type monster from your deck to the Graveyard. Each effect of "Keeper of Riddles" can only be activated once per turn, and only once that turn.

 

Uncovering the Tomb

Normal Spell

Return 1 banished Rock-type monster to the Graveyard, and send 1 Rock-type monster to the Graveyard. The effect of "Uncovering the Tomb" can only be activated once per turn.

 

Erosion of Time

Quick-play Spell

Target 1 Rock-type monster in your Graveyard; Special Summon that target in Attack Position, but its effects on the field cannot be applied and its ATK and DEF are halved. Destroy it at the End Phase.

 

More if I think of them.

[Bringerofcake]

Made some changes to Exxod, and added Sphinxes.