Farewell is strongest when all modes are used, but the caster can pick just one or two if they choose, making it a bit overcosted for its effect but more flexible
Depending on which you choose, the price might change by a lot
When kicked successfully, he delivers one of the strongest single-card payoffs among the best zombie commanders
Being this large for this price at the time was an outstanding deal, even if nowadays it doesn't look like much, and the bonus life points were like adding insult to injury, causing players to wince looking at their hand that little bit more and do it again when you cast additional black spells
He gets all the advantages of being a Hero from Ling, Anna, and Phil, plus he gives other character's extra lore when he challenges and banishes opposing characters