pokemon card totodile - (81) Colorless Bite (20) Weakness Grass ×2 Resistance None None Retreat Cost Totodile - 039/162 (TEF) Common

Radiant Lotus While it does cost six mana, it seems extremely easy to go mana-positive with this card and take an absolutely massive turn by sacrificing artifacts that you dont need in order to create a massive amount of mana

#7 Mega Lucario ex Mega Hyper Rare Mega Evolution Enter the Mega Hyper Rare

Of course, since Pikachu is the face of the Pokmon franchise, its presence adds further demand to this card

There are a couple other theories floating around though

Only one stadium can be in play at any given time, and when you play one, you discard the one in play

Part of the fun in deckbuilding is experimenting and trying things that have never been done before