If was spent to cast this spell, instead create a token that's a copy of that permanent, except the token has "When this token enters, if it's a creature, it fights up to one target creature you don't control." Sorcery Snapdax, Apex of the Hunt Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own
See, in a deck where these strategies are merely ancillary to your Plan A, you can get away with forgetting to bring some dice OR some tokens to represent your game state
Captain Rex Nebula Our own Paige Smith wrote about this leader of a Commander deck here
In reality, I feel like this isn't too far off something like Eye of Vecna, only you're paying more up front to not have to pay later, have a condition to meet, and get the card at the end of turn
Scour for Scrap Scour for Scrap gets you two cards with one instant and is excellent to help you get combo or support pieces