this turn, that face-up monster is unaffected by card effects, except its own, it cannot be destroyed by battle, also any monster it battles is destroyed at the end of the Damage Step
Legion Whenever a creature you control dies, put two +1/+1 counters on target creature you control
Folks seem to be running Bronze Guardian almost out of habit with the various commanders in the Osgir, the Reconstructor Lorehold precon, but this all feels like a house of cards waiting for a board wipe
You see, you only lose the life if you actually draw the card and don't replace it
The reasoning behind this was that Herald of the Arc Light is one of the few cards that can offer protection against an opponent's Evenly Matched when going first in games 2 and 3 of a match
The One Ring is arguably the Artifact that most merits an adventure spell