one piece card game smoker Trading Adventure on Kamis Island Single Card Rare Tashigi EB04-003 SP card deck and an additional 10 DON One Piece ST-19 Starter Deck:

Each of these doubles something for you - be it damage, tokens generated, proliferate triggers, dying triggers or even just the power of your creatures - and each of them can also become indestructible by sacrificing something else

Sometimes, you wont be at all using the card as an answer but as a means to simply end it

Sephiroth, One-Winged Angel

Six mana for a 6/3 that cant even protect itself for a few turns is costly

Lets face it thats most decks

For one thing, its one of only a handful of cards in Magic that says, Sacrifice any number of creatures. That effect itself can be quite powerful when you have Sacrifice payoffs in play, even if you dont get anything else out of it