The archetype from a design perspective is full of magical librarians (the regular effect monsters) who summon the characters from their books (the ritual monsters.) The deck so far is lower powered than other ritual archetypes like Nekroz and Drytron, but there are more Libromancers on their way in the "Dimension Force" set that could make the archetype truly flourish
When activating the effect of that monster, he says "I use 1 Overlay Unit to play Star Seraph Sentry's effect!" Most of the time, when declaring an attack with that monster, Dumon says "Star Seraph Sentry
This could be a powerful counter to some of the basic focused decks popular right now a fact which could (and since originally writing this has) drive further value for this card
Pokemon TCG Pocket's next booster pack has been officially revealed in Japan
It doesn't copy whether that creature is tapped or untapped, whether it has any counters on it or Auras attached to it, or any non-copy effects that have changed its power, toughness, types, color, or so on
Really, its up to you -- Magic players are probably some of the smartest and open-minded people when it comes to all these weird game mechanics
