mtg champions of kamigawa card list Set Name: Kamigawa, Supertype: Legendary, 65 cards Champions of Kamigawa Theme Deck

But I can imagine there are shells where Sephiroth performs even better

Heralds Horn Herald's Horn is absurd in typal decks, making every creature you cast cost 1 less mana

It's unclear whether this was the most necessary of the Slivers, but it was the one that frustrated the most opposing plans to deal with the problem and even opened up new game plans when the card advantage resulting from saving your creatures could allow Sliver decks to go the control route when backed up by counters and removal spells

Avacyn turns every permanent you control into a much harder problem to remove

If you have your commander out, you can choose both modes, which is a plus