Light The Fuse lets you deal 1 damage to a chosen character for each exerted character you have in play, while The Sword of Shan-Yu has you exert a character to then ready another chosen character
Five-color legendaries tend to do quite well in those numbers but there are just 1127 of those leading decks (EDHREC.com) so that's pretty sad since it unlocks all colors and then plays keep away
In this format, you'll build a Commander-style deck around a legendary creature or Planeswalker and play 1v1 games on MTG Arena
Ideal for Commander, Standard, and all MTG formatskeep your decks, tokens, and dice safe in every game, reducing card damage
Grismold is also an interesting tool for creature token decks, or any decks that care about opponents creatures dying
The process seems to work much better on recent sets however