yugioh deck shuffler Jobar Card – Automatic Card Shuffler (Black, 6 Deck) with the machine shuffling quickly and efficiently Shuffle Reborn - Yu-Gi-Oh! Card

(It cant be blocked except by two or more creatures.) Creatures target player controls get +2/+0 until end of turn

This is particularly important for Unlimited cards that have a blackened border

There does seem to be a loophole: Id need to check with a judge, but the wording suggests the cards could be balanced on top of each other on the same finger, which makes it a little easier, but dont quote me on that

This card offers many possible routes, so play it in a deck with lots of expensive cards, or with other mutate cards as a mutate commander

How about a game winning effect

Yes it is on curve as a powerful body