With more sets means more cards and, recently, way more commanders
Generally, you can activate an activated ability as often as you want, as long as you can pay its cost every time
My conclusions are only based off a card pool of about 40 1st edition holos so more data would be helpful to proving this
Sami's mana cost is the only part of the card that gives me pause
So then its this nostalgia factor of, Oh, itd be great if I could reacquire a Charizard or another card that I had as a kid. The range of Pokmon media spans TV shows and video games, but its the franchises trademark trading card game that has collectors and thieves seeing dollar signs
Its abilities lean toward slowing down explosive strategies, blanking key threats, or turning resource-heavy opponents into liabilities