The more you use it, the more broken it becomes
Magic: The Gathering is a game that favors skill over luck
Dominaria United and The Brother's War have reduced the price of the entire Painland cycle (Adarkar Wastes, Llanowar Wastes, etc.) to only $3.5 or less
So, players get the feeling that the game was useless, as in it doesn't matter anything that any of them did, if Biorhythm was resolved, the game is over
If this has inspired your next masterpiece, you can tag me in them on Twitter
Generally, theyre artifacts that dont do very much by themselves, but if you tap creatures with total power equal to or greater than their crew cost, they become artifact creatures with the power and toughness displayed in the bottom right of the card