If there are two or more cards with the same name in the hand, each can activate its effect
Each one came in a special commemorative box set, and were only sold in Japan Pokmon Center locations
The very first Charms appeared in Mirage
For most other decks, The Masamune is going to be quite situational and falls lower in the pecking order of powerful Equipment
There are myriad Easter eggs and nuanced card mechanics for Disney fans to pick up on, but in many cases, the thematic inspiration for certain characters and movie props leaps off the cardboard
Not sure if I would want more of them any time soon, but the way they are done in Assassins Creed is pretty cool. Ultimately, from this range of responses, it seems much of the MTG community is split over these historic figures