Winnie is joined by Piglet and Rabbit
While including a multitude of creatures in a deck increases how large Old Stickfingers can be, if a player builds a deck with few creatures, this commander is capable of potentially milling massive numbers of cards from its controller's deck with a single cast
Flash creatures either function as one-for-one removal spells (Hired Blade), as two-for-one removal spells (Sentinels of Glen Elendra is better at surviving combat than Ashcoat Bear), and as flexible curve-fillers (Cloaked Siren lets you hold up interaction and have a threat if you dont need to use it)
Yes, through MTG Arena and physical boosters
Rarity is a key component in determining a Magic cards value, with rares and mythics typically demanding a higher price than commons and uncommons
Its about gaining time, not just dealing damage