how rare is charizard pokemon card Pokémon 1st Edition Sells for New All Time High perfect for serious collectors and enthusiasts of the Pokmon Trading Card Game. The Ultimate Guide to Charizard

Since +1/+1 counters are already a popular theme, Agathas cauldron is definitely getting into those decks

The key thing is this card provides a unique, high power effect that has the chance of unlocking entirely new decks.

That you have no personal ability to trigger Shapers Sanctuary means its fairly locked into sideboard only space (metagames could arise that might persuade us to gamble on the card maindeck, but its unlikely)

The ideas initially were rejected mostly because they would be too hard to implement or track in paper, but in a digital environment, these ideas could have a second chance

It's also legal in several formats including Commander, Legacy, Modern, and Vintage

Or perhaps you get a bonus whenever you cast a spell with mana value 5 or greater