Great Emperor Dragon, Gaia Dynast

-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] this card on your from face down. :Engorge :When your rear-guard is retired by this unit, you may 1. If you do, call that card to , that unit and this unit get +3000 until end of turn. :[Choose a face down "Great Emperor Dragon, Gaia Dynast" from your G zone, and turn it face up] When this unit becomes engorged, you may pay the cost. If you do, choose one of your rear-guards, retire all rear-guards in the same column as that unit, and 1.