Yahenni, Undying Partisan Yahenni, Undying Partisan shines thanks to their activated ability
The next step was to create creatures that were enhanced in a way other than a tap effect: We kept the attacking boosts to red and green as it made the most sense in those two colors
You now have three colourless mana floating, and can do it again: tap Basalt Monolith to make three more colourless mana, pay three to untap it, copy the ability using two colourless and Rings of Brighthearth, untap Basalt Monolith once, tap it to make three more colourless, and then untap it with the copied ability
(2021-07-23) Some effects may modify the result of a die roll
Personally, I like Magic more than the regular Pokmon TCG anyway, and what Pocket offers is a very streamlined, but also far inferior form of that