Inferno of Dust Storm, Eugene

:This unit is also regarded as "Heavy Artillery of Dust Storm, Eugene". :[ two rear-guards], choose a column, and retire all of your opponent's rear-guards in that column. :When this unit attacks a vanguard, [ 1 & 1], look at the top five cards of your deck, choose up to two grade 3 or less unit cards from among them, call them each to in the same column, shuffle the deck, and this unit gets +5000 until end of turn. If your opponent's vanguard is grade 3 or greater, and your opponent has three or more open , all of the units called by this ability get +5000 until end of turn.