one piece tcg op-09 booster box Emperors in the New World (OP-09) decks built around the new cards are powerful enough to give newcomers a chance to compete with experienced players Emperors in the New World

You will need a lot of card draw and ways to stall out the game so you can amass the necessary combo pieces

Other answers require a blunter solution

While none of the individual cards are truly broken on their own, the mechanic itself arguably broke the Commander format, at least on a competitive level

Jace Reawakened 5 Printings and their Prices Track Jace Reawakened Prices Free collection tools for Magic: the Gathering

This lets players cast spells from their graveyard, effectively allowing them to double dip

It speeds up your game plan by turning other players into your personal resource generators its one of the best Auras MTG for generating early-game mana