one piece op-03 booster box TCG: [OP-03] Pillars of Strength 03 card game is an innovative expansion featuring yellow cards representing powerful enemies from several arcs in the One Piece series Amazon.com: One Piece TCG: Pillars

Lets be real, balancing one card is going to be tricky, two almost impossible while still playing the game, three, forget about it

When conducting regression on a continuous time-series the squared loss metric, using the current known value of the price as a guess for the next price is always going to be a pretty reasonable choice

If Sauron, the Necromancer leaves the battlefield before the delayed triggered ability resolves, that ability will exile the token, even if Sauron, the Necromancer later returns to the battlefield or you control another copy of Sauron, the Necromancer as your Ring-bearer

If your Leader loses all their Life during a game, you lose

They tend to use tokens and +1/+1 counters like crazy and I get quickly bored of keeping track of those

You certainly can build a fun deck with Roku as the commander either doing Firebreathing effects or combat tricks, I'm more inclined to use him as a roleplayer though