Any card that gets reprinted should have an updated set number in its card ID (at the bottom left)
The copies are created on the stack, so they're not "cast" or "activated." Creating the copies won't cause abilities that trigger when a player casts a spell or activates an ability to trigger
Its almost like having three commanders and the Doctor does a great job synergizing with Amy to enable you to find and cast Rory
For starters, Frodo cant be dealt damage during your turn, which makes him a powerful attacker
Thankfully, this creature isn't quite so threatening in other formats, but it's still a self-sufficient threat that's completely capable of taking over a game all on its own
Whether its soldier aggro, a ramping deck playing 10 mana threats, or a control deck accruing advantages, Blue is there for you with a variety of solid cards