Arthur is an incredibly powerful card that allows you to earn lore with your weak questers like Lilo, Making a Wish and Pinnochio, Star Attraction, then bounce them back to your hand to keep them safe from challenges - while also rewarding you with two lore for doing it
If you are capable of healing your cards, through items, actions, or character abilities, and Beast, Tragic Hero has damage on them at the start of your turn, you can let them attack and then heal them, allowing you to still benefit from the increased strength but keeping them healthy enough to stick around
Fire Cross - Whenever Seifer Almasy deals combat damage to a player, you may cast target instant or sorcery spell with mana value 3 or less from your graveyard without paying its mana cost
Rindo Karasuba, who Magic players already met in the Doom Blade japanese version for the Strixhaven Mystical Archive , shows us Sephiroth standing still in the middle of Nibelheim Aflame
This means you can negate one damage done to this card each time it is involved in a challenge or an action does damage to it, and Support lets this card give its strength to another one of your characters when it quests, until the end of the turn