Great Cosmic Hero, Grandgallop

(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, if this unit's is 22000 or greater, this unit gets drive check+1 until end of that battle. :During your turn, when your G unit , choose one of your vanguards, until end of turn, it gets +4000, and ": 1 When this unit's attack hits a vanguard, you may pay the cost. If you do, draw a card.".