Theres a reason why this effect is colloquially named after this card
Play Rule #13 states: Abilities which refer to other cards owned outside the game (Wishes, Spawnsire, Research, Ring of Ma'ruf) do not function in Commander without prior agreement on their scope from the playgroup. Therefore, Spike is twice banned in Commander, and even if Unstable were allowed, Spike wouldnt be able to be played
Generally, they do not give you a ton of mana that makes it worth casting to cast a spell slightly quicker and are better suited for raising your storm count
Players can't bid more life than they have
New Disney Lorcana enchanted Cinderella card lets you play nine-cost songs for free Releases with Ursulas Return
In the meantime, the game, which started as an analog, is now also available online as a video game