On top of powerful abilities, many cards also have keyword abilities that affect how they interact with other cards
Galadriel, Light of Valinor is limited to three triggers per turn, but if you can trigger one or two reliably, its already very good
I said before the tournament that if I was going and if I spent the time to prepare, I probably would have ended up making something along the same lines: Arceus alongside a toolbox of attackers that cover for weaknesses and threats
For example, if a player sacrifices a 3/3 creature to cast Fling, and you copy it with Reverberate, the copy of Fling will also deal 3 damage to its target
I tried it out in Sram and found it under-whelming it gets extremely mana intensive and doesn't make his butt any bigger, now I can play stuff to give him a butt but then I can't equip more axes I think this would go good in one of those Sram lists that run all those 0 drops that only buff his toughness
For starters, legendary Pokmon cards are incredibly rare