If you control three or more snow permanents, your creature not only gets a +1/+0 boost but also indestructible before it throws down
After quite some intensive testing I came to the conclusion that unless you get OTK'd within the first 3 turns (which isn't that rare), you can generally seal the game
(It is every creature type.) Number 132 Language English Legal Formats Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Timeless, Vintage Not Legal Formats Alchemy, Pauper, Standard Rulings (2/5/2021) Replacement effects that modify how creatures of a certain creature type enter the battlefield will apply after you apply the effect of Maskwood Nexus
Secret rares also go beyond the number of any given set, which is displayed on the card itself
5 Planechase Plane cards Promos exist, and were distributed at different events