mtg search your library for a legendary card Yasharn, Implacable Earth (Extended) [Zendikar Rising] Put the rest on the bottom of your library in a random order. Search for Dagger (borderless)

Assuming you're playing a bunch of Dragons, defeating the battle shouldn't be a problem since you'll have a bunch of big evasive creatures, although there probably will be times when it's better to just hit your opponent's face and then try to burn them out with the front side of Invasion of Tarkir rather than flipping into another Dragon that dies to a wrath

Having a similar effect available every game from the command zone

Due to their unique look, these cards were anticipated to be hugely expensive

Commander games tracked on paper quickly become a mess

Knocking someone out with this guy and then sacrificing it for Reveillark is the best

If you know you are going up against a deck that is not creature-centric, this effect is strong