pokemon cards level x Lv Prices Call for PowerAs often as you like during your turn (before your attack) Pokemon - Diamond & Pearl

Although it has stronger competition nowadays, it works fine and its easy to pull off

Beastmaster Ascension One of the classic mass pump spells in Commander, Beastmaster Ascension takes time to get rolling, but boy does that snowball roll

Speedy Sales While Mana Crypt has been quick to bounce back to almost its old price, its not the only banned card seeing action

However, there is a coin flip involved that can lead to the user's own Benched Pokemon taking the stray bolts of this attack, therefore this move should be used with a bit of caution

Lost Caverns of Ixalan takes us back to the world of pirates, vampires, merfolk and dinosaurs, and then throws in a few fan-favourite characters as well

We then represented this in a form thats tractable using machine-learning and we just trained a recurrent neural network to predict the next price move (given the last price move and an attribute indicating whether or not the card was reprinted)