I've got 22 years of Magic gameplay under my belt and while many of the people I play with may not have that much experience, they usually have several years' worth
Some Supporter cards, like Koga, can effectively counter Asleep by facilitating a Retreat, thus waking the affected Pokmon
Cabal Coffers , : Add for each Swamp you control
Blightbelly Rat also proliferates when it dies, adding yet another poison counter
Relatively early on, I ate a 20-damage swing facilitated by a combo from Demolisher Spawn and Ursine Monstrosity
Seriously, the reason why Teferi and Narset have been the two most impactful planeswalkers in War of the Spark has as much to do with their mana cost as anything else