It can be a mana fixer, a win condition, and a combo assembler
You can either run that creature into blockers, or sacrifice it to one of your own abilities for a benefit
Some companions especially those with lighter deck-building requirements ruled the roost in competitive formats and prompted an unusual response from Wizards of the Coast
If Rakdos Pit Dragon loses double strike after first strike combat damage has been dealt, it won't deal damage during the normal combat damage step
Similar to recent printings that completed the cycle, Sword of Truth and Justice is most often played in the Commander format
With a mana cost of five generic, one blue, one black, and one red, with a starting loyalty of five, The Deceiver is still an easy target for your opponent thanks to its abilities