Famous Professor, Bigbelly

(This ability is active if you have two or more face up G units in total on your or G zone):When this unit attacks a vanguard, choose one of your rear-guards, it gets +4000 until end of turn, at the end of that turn, draw a card, and retire that unit. : 1 During your turn, when your G unit , you may pay the cost. If you do, choose up to two of your rear-guards, until end of turn, they get +4000, and ":When an attack by a unit in the same column as this unit hits a vanguard, if the attacking unit's is 20000 or greater, draw a card.".