arrokuda pokemon card (082/264) [Sword & Shield: Fusion Strike] – TokenMTG Colorless Peck (20) Weakness Lightning ×2 Resistance None None Retreat Cost Arrokuda (028/100) - S4 Amazing

(7/15/2007) At the end of a subgame, each player puts all cards they own that are in the subgame into their library in the main game, then shuffles them

I guess that goes right with the backstory

This legendary card can't be drawn from a pack, but is actually the reward for a special challenge that the game keeps secret until you've already completed it, as we'll explain in the attached guide

And counter them they did

The problem with having the same people designing a set over and over again, with the same rules in place, is that things can become a bit

So, no you cant convoke and sac creatures for mana to pay for this