[CONT]:
Sentinel
(You may only have up to four cards with "[CONT]: Sentinel" in a deck)
[AUTO]:[Choose an «
Angel Feather
» from your hand, and discard it] When this unit is placed on (GC), you may pay the cost. If you do, choose one of your «Angel Feather» that is being attacked, and that unit cannot be hit until end of that battle.
Adamantine
Celestial
. Just like a colossal mountain.