You have to choose for yourself, the future you wish to protect!
[G Guardian]-Opponent Turn's Guard Step-[COST][Discard a card with [Heal] from your hand], and call this card to your (GC) from face down. [AUTO]:When this unit is put on (GC), [COST][Counter-Blast 1]], choose two grades from 0 to 3, declare it, and reveal the top card of your deck. If the revealed card is any of the declared grades, put that card into your hand. If you put a card into your hand, this unit gets [Shield] +15000 until end of that battle.