Cryptid Gnaw Liege, Sabnac (G-BT11/039EN) [Demonic Advent]

[ G guardian ] (Usable when both fighters' vanguards are grade 3 or greater, and the number of face up G guardians in your G zone is three or less) -Opponent Turn's Guard Step-[Choose a card with "Heal" from your hand, and discard it] Call this card to your (GC) from face down. [AUTO]:[Counter Blast (1)] When this unit is placed on (GC) during the battle that your opponent's vanguard attacked, if the number of cards in your soul is ten or more, you may pay the cost. If you do, this unit gets [Shield]+5000, choose one of your vanguards, and it gets [Power]+5000 until end of turn.