These cards are playable in Outlaws of Thunder Junction Draft and Sealed when opened from Play Boosters
The only real downsides are that the 4/4 is temporary and that initially casting this from your hand isnt ideal
"I have played it three times and it has actually won twice," Potatowheelchair admitted
The copies that the ability creates are created on the stack, so theyre not cast
Essentially, if you have a full party with all four of these on the board, you can pay one white, one blue, and one black mana to give the Warrior lifelink, deathtouch, and make him unblockable (deathtouch and unblockable at the same time has no real use, but thats still OP to think about)
Muddle has many ways to mix up a decklist, so follow along as I show you what I did to stir up boardstates