Ancient Dragon, Iguanogorg D-VS02/031 RRR

[AUTO]:If this card has an equip gauge, this cost is reduced by Counter Blast (1). When this unit is retired from (RC) by a card's ability, COST [Counter Blast (1)], and call this card to an open (RC) as [Rest]. (The equip gauge it had is put into your drop when retired and called) [AUTO](RC)1/Turn:When your drive check reveals a trigger unit, put the top card of your deck face down as an equip gauge for this unit.