one piece card game kaido and linlin Ranking Every Starter Deck For The all Characters other than this Character Kaido and Linlin ruling :

You can combine them with additional black effects like sacrifice outlets to gain tools to win with a simple, fair game plan

This means that Xancha will be causing problems for other players at the commander table regardless of whose she's attacking

Third, to cast it for free you need more artifacts than the cost of the spell and fourth, if you dont, you can only cast it with your own mana, which is usually Green, Blue and Red

it can be great with aristocrats to get a ton of sacrifice fodder, let you rebuy your best enters abilities, or even spread -1/-1 counters across your team for cards like Hapatra, Vizier of Poisons