Thats because there are more cards and mechanics there, which means there are exponentially more interactions to consider, which means things slip through occasionally and have to be banned
You can make Saproling tokens consistently through cards like Tendershoot Dryad and Mycoloth or in bursts with spells like Sprout Swarm and Scatter the Seeds
And even though Memnarch is a colorless artifact creature, his color identity is blue because of his blue activated abilities
Occasionally, The Pokmon Company sends free codes in their newsletters that allow you to add booster packs and cards to your game
It comes as no surprise that these two cards made their way into the standard format, however, what is even more impressive was that these two cards are now regular features in Magic the Gatherings older formats, such as Modern where the power level is immense
Leafeon is surrounded by nature, where Trainers would expect to find a grass-type Pokmon