A monster in the form of Block Golem and Blockman.

TDIL-JP034 ブロックドラゴン Block Dragon

Level 8 EARTH Rock-Type {Special Summon} Effect Monster

ATK 2500

DEF 3000

Cannot be Normal Summoned/Set.

Must be Special Summoned (from your hand or Graveyard) by banishing 3 EARTH monsters from your hand and/or Graveyard, and cannot be Special Summoned by other ways.

(1) Rock-Type monsters you control cannot be destroyed, except by battle.

(2) If this card is sent from the field to the Graveyard: You can add up to 3 Rock-Type monsters from your Deck to your hand whose total Levels equal 8. You can only use this effect of “Block Dragon” once per turn.

Source