1 Beast Within
Illustrated by Greg Hildebrandt & Tim Hildebrandt Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
And it seems others were inspired by the idea, because at least three or four copycats have shown up on the Magic subreddit since, with a great variety of colourful flowers and MTG card packs on show
For example, if you control Muldrotha, the Gravetide ("During each of your turns, you may play a land and cast a permanent spell of each permanent type from your graveyard") and you cast a creature spell from your graveyard during your second main phase, you won't be able to cast another creature spell from your graveyard with Muldrotha's permission until after your next ending phase ends
Dawson Puzzling Sleuth would be great for filtering
Its also surprisingly powerful: when played, the card must be dropped from at least 1 foot up, and all cards it touches when it lands are discarded
