Certain rare cards will be unique to these packs, but the publisher did not provide any information on pricing at this time
However, this only happens when the character is banished in a challenge, so try to use it as much as you can before its potentially removed through direct damage
This can be casualty sacrifice at least a 2/1 to hit two players in multiplayer or to punish a bigger deck game like Five Color and Commander
They can be any type of card, from stellar legendary creatures to the greatest card draw spells to the most valuable ramp spells
And unless you're playing very high-powered, a cost reducer and a mana dork are probably much the same on turn two
Your Commander must be a Legendary creature (or, in some cases, a planeswalker, if they have the text, can be your commander) and doesnt reside in your deck