The Core Set helps you collect powerful cards while also helping explain some of the rules with further instructions printed on the card
The manifested creature can be turned face up for its mana cost as long as it is a creature card
It's good, though, because it gives us players just another way to make board states awkward, protect key pieces on the cheap, and punish opponents who assume their removal spells will always land just because you're not playing Blue
Frodo, Sauron's Bane Frodo, Sauron's Bane is a sneaky little Hobbit
Itll just take a long time if you and your opponents dont match on numbers
Consider a card like Longstalk Brawl (which is the kind of removal spell you'll often find in a limited environment): Putting that +1/+1 counter on your own Creature can make or break the outcome of this fight, and certainly the extra power can be relevant when it comes time to enter the red zone