To do so, you need to prepare the creature which is a small step, but one that offers a little balance to an otherwise super-powerful spell
Sometimes RW decks take a more controlling route, often in conjunction with blue for Jeskai lists, but Boros leans into aggressive strategies in many formats
In the process, it would often spell doom for any opposing player, especially if its owner had a card with a relatively high converted mana cost in their hand
Why bother aiming for your opponents life totals when you can deplete a different precious resource instead: namely, their library
III Cold Snap Tap all lands your opponents control
That excludes things like Reclamation Sage these days as a 3 mana 2/1 is far from useful or good being worth neither the card nor the mana