The first time it triggers each turn we manifest dread, meaning we look at the top two cards of our library, put one into the graveyard and one onto the battlefield as a manifested 2/2 creature
Red-White Creature (26) Burning Sun's Avatar Charging Monstrosaur x2 Demanding Dragon Exultant Skymarcher x2 Frenzied Raptor Goblin Motivator Hostile Minotaur Inspiring Captain Knight of New Benalia x3 Pyromantic Pilgrim x2 Rustwing Falcon x2 Serra's Guardian Shivan Dragon Silverbeak Griffin Sky Terror x2 Skyknight Legionnaire x2 Sun Sentinel x2 Instant (7) Dual Shot x2 Inspired Charge x2 Lightning Strike x2 Moment of Triumph Sorcery (1) Enchantment (2) Land (24) Mountain x10 Plains x10 Stone Quarry x4 This Boros deck is a decently constructed aggro deck for playing against the other Starter Kit deck, but it has far too many vanilla creatures to be viable in any real format
If Wolverine isn't blocked, Mage Slayer and Wolverine combined will essentially deal damage equal to four times whatever Wolverine's power is
Historic Brawl is the closest format to Commander on Arena
The other combo in the deck is one that people may find frustrating, so be warned
Regardless of how you use it, this card is good enough that almost every blue deck should play it