There are often promotional deals in progress, with players gaining these codes as a bonus for purchasing a different product
As the number of cards you can use during a turn is only limited by the amount of mana you have in your pool (compared to the summoning limits of a game like Yu-Gi-Oh!), Black Lotus could allow a player, especially one playing an aggressive Red mana deck, the opportunity to destroy their opponent with zero ability to be countered
Ramp Spells and Mana Rocks Non-creature ramp is usually a bit slower than mana dorks, but its way more reliable
While that doesn't do much to punish a deck like Azorius Control, which gets most of its card advantage from spells that simply pop cards into players' hands like Stock Up and Consult the Star Charts, it's great against the best Standard/MTG Arena deck of the moment - Izzet Cauldron
The Pokmon trading card game (TCG) is currently experiencing a renaissance of sorts with higher than ever interest in the hobby sparked by celebrity involvement, the 25th anniversary, lockdowns and a host of other factors