Tempered Steel is by far and away the best way to beat aggressive red decks which are one of your only tier one matchups that is not a good one pre board
When Worldspine Wurm is put into a graveyard from anywhere, shuffle it into its owner's library
Commander Deck includes 2 traditional foils and 98 non-foil cards
The one innovation was that, while Innistrad only had DFCs that were a creature on both sides (and one planeswalker on both sides at mythic rare), Dark Ascension had two DFCs that started as artifacts, one of which wasn't even a creature on the back face
It comes with 6 Foil Borderless Scene Cards, 6 Art Cards, 3 Play Boosters, and 1 Display Easel
While the two first modes speak for themselves and would already constitute a strong magic card, the last mode is more format dependent and as it stands, it is a very effective ability in the current Modern metagame