A typical turn involves multiple phases: draw phase (draw cards), standby phase (card effects activate), main phase 1 (summoning and moving cards), battle phase (attack enemy monsters), main phase 2 (post-battle card movements), and end phase (final effects and card discards before transitioning to other players turn)
Not only does it provide treasures and creature tokens every turn, it also gives you pseudo-card draw
Instead, Fusion summons are done after certain requirements on a Fusion monster card are fulfilled
Great for speed decks or donk decks that dont care about showing cards as they will run through them all in one turn anyway
Related : Everything We Know About The Pokemon Go+ Plus Next, remove the very next card and move it to the front
Also I see you state, "All Unlimited, First Edition and Reverse Holo cards correspond with English sets." In French there only was a first edition shadowed and unlimited printing (but the 102 Pokmon line up is still the same), correct