These rarities are identified by the symbol found in the bottom center of the card
Unlike a face-down creature that was cast using a disguise or morph ability, a manifested creature may still be turned face up after it loses its abilities if it's a creature card
Hope's effect turns that lifegain into mill, so even though you're not actively playing cards that mill, you're still making progress on draining your opponents of their libraries
Garruk, Primal Hunter, is a five mana Planeswalker that enters with three loyalty
But I think the problem with this creature lies in that you have to give up other nonland permanents, which will be hard to come by if youre already a token deck
When played in multiples, you can cast them to fill your board, going from one into potentially four creatures