As a long-time Magic: The Gathering player and collector, we know there's no feeling quite like opening a booster pack and seeing the glint of a gold or orange set symbol
It doubles up your triggered abilities whenever a creature or enchantment enters under your control
The other mode with Winter Orb is not to bother locking down your opponent fully, just to operate far better than he can and win the game in a fight with efficient creatures
#5 - Snapcaster Mage Wizards find themselves on the Magic Invitational Cards often, Snapcaster Mage being the most recent of them
Speaking from the uninformed perspective of someone who's never opened an Unfinity pack, the set looks like it would be fun the first time you tried it, and then never again (outside of an Attraction Commander deck, which admittedly sounds like a laugh)
While there is some variance (super-low-curve aggressive decks might have slightly less, while decks built on ramping or other land synergies might have slightly more), probably 80% of all the Commander decks I build have 37 lands