Others have resisted the horse invasion, inventing cards like 'Horseocalypse', an artifact that can trivially exile all horses, 'Sparricus the Unhorse', a Kirin that synergizes with non-horse creatures, or 'Ketamine', a joke artefact that certainly works in the horse deck but feels rather against the spirit of the thing
Maybe you dont need a board wipe right now, but you do need to remove that Consecrated Sphinx before it draws its controller too many cards
Either way, combat ensues and you, the Boros player gain the advantage
It wouldn't be a surprise to see control decks emerge packing 4 of these, but it's likely at its strongest in midrange strategies where the combat math getting messed up helps too
Razaketh's Rite 5
Whenever equipped creature deals combat damage to a player, you may cast an instant or sorcery spell from your hand with mana value less than or equal to that damage without paying its mana cost