In Boros legend decks, owyn can clear the path for a massive, protected attack that puts the game firmly in your favor
Cards like Scute Swarm or Rabble Rousing can put so many creatures on board that your opponents won't be able to defend against a giant Devilish Valet
It is card #052 of the set
To do this, look inside your deck box where the tokens and other miscellaneous items are, and copy the code into the Redeem Code box in the top right hand corner of the Store page
The most common way for this deck to win is by amassing a huge board of Moogle tokens, then alpha-striking with support from cards like Moonshaker CavalryMoonshaker Cavalry, Elspeth, Storm SlayerElspeth, Storm Slayer, or Serra's EmissarySerra's Emissary to get around blockers
Look at Sleep-Cursed Faerie, Unstoppable Slasher, and Pugnacious Hammerskull as examples