mtg phoenix commander deck Magic Final Fantasy Decks Modern Horizons 3 (MH3) #116 Illustrated by Deruchenko Alexander Magic Magic the Gathering Modern Horizons

It's not the fastest precon on this list, but it's a very focused deck packed with synergy

Archon of Cruelty By way of being one of the best ETB effects on black cards, Archon of Cruelty has made a name for itself as one of the best creatures you can cheat into play, whether thats with Reanimate, Sneak Attack, or Indomitable Creativity

This thing can tap for any color of mana, arrives untapped and can tap for three mana to sacrifice a dork and gain 2 life (well, it's toughness, which might be 1 with a Bloodghast or Blood Artist or more with the Launderer)

It's ability also means that, in combination with a powerful creature, Sylvan Safekeeper can help insulate key pieces from removal