Ravenous Dragon, Gigarex

:When it attacks, put up to one card from the top of your deck face down as an equip gauge for each of your rear-guards. This unit gets +5000 until end of that battle for each of your rear-guards. :[Cost][Discard five equipped gauge], three of your front row rear-guards get +5000 until end of turn, and if your opponent's damage zone has four or less cards, deal one damage to your opponent's vanguard.