one piece flanked by legends booster box OP-06 (Japanese) Kureha and Dr One Piece - OP08 Two

Is it synergy

Ya knowas long as its an artifact

(They can't be blocked as long as defending player controls an Island.) Creature - Horror Squid Toothy, Imaginary Friend Partner with Pir, Imaginative Rascal (When this creature enters, target player may put Pir into their hand from their library, then shuffle.) Whenever you draw a card, put a +1/+1 counter on Toothy

It then includes a number of powerful burn spells to either kill your opponent's creatures, or do damage directly to your opponent

Being able to regain your creatures so easily and swiftly will always be a useful option in competitive Magic

However, there are some promising lists popping up in other formats as well