Rikudo Stealth Dragon, Gandokurakan (G-BT14/041EN) [Divine Dragon Apocrypha]

[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]:When this unit is placed on (GC), if the number of cards in your opponent's hand is three or more, until end of that battle, this unit gets [Shield]+5000, then, if it is six or more, this unit gets [Shield]+10000.