Flanking means "Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn." If a creature gains flanking during combat, that has no effect on any creature already blocking it
Lets take a look at each levels power: Level One In a flavor win, you want your Ring-bearer to be small with low power in order to sneak past blockers, which has Halflings written all over it
For starters, many of them have incredible abilities that make up the backbone of your deck strategy
Raksha Golden Cub [Cat]: In late-game commander, this will boost your army by a lot
With an average price of $231.33 , thats definitely something to think about
Getting extra main phases during your turn with effects like Relentless Assault or Seize the Day, for example won't make survival trigger again