As a habit, I recommend that this search for treasures be done consciously
Its market price, according to TCGplayer, has remained among the lowest of Enchanted cards from The First Chapter , coming in at about $114
Damage can't be prevented
The 6 +1+1 counters from the 2 dying Reyhans are seen and replaced by all 3 Reyhans for 18x +1+1 counters on the original 3/3 for a perfect 21 commander damage
Unique abilities on characters often have story-based names, like Scar Masterminds INSIDIOUS PLOT
It doesn't copy whether that permanent is tapped or untapped, whether that permanent has any counters on it or any Auras and/or Equipment attached to it, and it doesn't copy any non-copy effects that have changed that permanent's power, toughness, types, color, abilities, or so on