vivi one piece card game Official Playmat Listed cards may have imperfections. Opinions on playing Vivi? :

Expect the excitement levels to rise as we near the finish line

If War Machine is no longer on the battlefield when his last ability resolves, use his power as he last existed on the battlefield to determine the value of X

(The same older printings of this card also fail to reference the "battle" card type, which didn't exist at the time, but Tarmogoyf's ability still counts that card type.)

If the card has any mandatory additional costs, those must be paid to cast the spell

And if that's not complicated enough, similarly, if one of the top two cards of your library is a transforming double-faced card, you put it into the new sleeve with either face of the card facing outward, and it still becomes a modal double-faced card at the end

Such as setting up combos that don't use green creatures