op 13 one piece booster box TCG: Carrying On His Will and Sabo return as new Leader cards One Piece OP-13 Carrying on

The low casting cost and seductive wording of that ability has tempted many players to try this out, only to realize the brutal mathematics involved

Overall, I think this is just absurd

Mirror Entity can turn a board of any 4 creatures into a full party by itself, and acts as a manasink to buff a board of small creatures into a lethal force

Set up a league for your group with rules, match logging, standings, and card swaps between players

Fanatic of Rhonas Speaking of infinite mana, can I interest you in Fanatic of Rhonas, to put this little snake in a mono-green devotion deck that can grab Staff of Domination from the Karn-board