Steel Baron Dragon, Spinomarquis

:When this unit is placed on , look at the top seven cards of your deck, choose up to two Dinodragon  from among them, call them to , and shuffle the deck. :When this unit attacks a vanguard, [ 1 & retire a Dinodragon  rear-guard], draw a card, and this unit gets +10000 until end of that battle. Choose up to one Dinodragon  from your hand, call it to , and retire all of your opponent's rear-guards in the same column as that called unit.