poliwag pokemon card [2] Doubleslap (20x) Flip 2 coins My Growing Poliwag Card Collection

If you cast an artifact or Human spell from your graveyard using another permission, Arcade Gannon's effect doesn't apply

Scarcity Cards produced in limited numbers or discontinued sets are naturally more valuable

This card also allows its user to accrue value over time, as whenever Esika's Chariot attacks, its controller creates a copy of any token they control

There is effectively an in-built system for countering any destabilising effects from whales: the rarest cards are just even fancier-looking versions of the functionally identical, already-rare ones most non-spending people build their battling decks around