Juggernaut Maximum Maximum (G-BT09/S11EN)

[ 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), choose one of your grade 2 or less rear-guards, and you may have that unit get [Power]+10000 until end of turn. If you do, this unit gets [Shield]+10000 until end of that battle, and at the end of that turn, put that rear-guard on the bottom of your deck.