YGOrganization

All for the cost of a Buildragon.

RD/TB01-JP042 幻刃歩哨ドラグライン Genba Hoshou Dragline (Constructor Sentry Dragline)Level 4 EARTH Wyrm Effect MonsterATK 1000DEF 1300[REQUIREMENT] Choose 3 Wyrm monsters in your GY and shuffle them back into the Deck.[EFFECT] Choose 1 Level 8 Wyrm monster in your GY and Special Summon it to your field face-up. If you Special Summoned "Constructor Wyrm Buildragon", also, you can also choose 1 Wyrm monster with 0 DEF in your GY and add it to the hand.

RD/TB01-JP044 Constructor Wyrm Buildragon (Reprint)