Reinforce (Guardian Force)

Reinforce is a keyword exclusive to the Guardian Force clan.

How it Works
To reinforce a card, bind it face down. As long as a reinforced card is in the bind zone, you may call it to (GC) during the guard step in which your unit is being attacked.

Grade 0

 * Steel Legion Squire, Runel

Grade 2

 * Steel Legion Crossknight, Valyrius
 * Steel Legion Crossknight, Glorius
 * Steel Legion Fighter, Steel Strike Dragon

Grade 3

 * Steel Legion General, Atheron
 * Steel Legion General, Carnach

Grade 4

 * Steel Legion Legendary General, Aedes