You can still play control decks or try for alternate win conditions, but the heat of the battle feels more akin to an action game at times, and its hard to beat that
7: Cast any number of red instant and/or sorcery cards from your graveyard without paying their mana costs
A mobile [mtg_card]Indestructibility[/mtg_card] would already be pretty cool, but this is one you can attach to any creature, including your opponents
For a rundown of all the cards across the set and where you can find them, check out our Collecting Phyrexia: All Will Be One article
Playing Revive turns that around by getting your win condition back with a higher chance of survival
More than that, though, Chandra gives us value in the same way Birgi, God of Storytelling does