For added flavor, the loss on the big ceature -0/-1 matches the size of the creature produced, a 0/1
Youre just never safe if your opponent has this in play
This spell simply allows you to choose new targets for a spell or ability, which means you can redirect a lethal spell, a nasty planeswalker ability or even something just mildly inconvenient
Spells with cost discounting abilities (like delve or spectacle) or those with additional, non-mana costs can let us double a much more expensive/impactful spell than we normally could afford
So, if you have them both in play, Sephiroth can sacrifice Aerith for his fourth trigger, transforming, and then reap the benefits of all the +1/+1 tokens Aerith had built up from his attacking
Gorbag of Minas Morgul A great strength of goblin decks is going wide with tokens, and Gorbag of Minas Morgul gives those decks an incredible payoff