Houraiji's Stand

You may pay an additional 5 Honkai while casting this spell. If you do, target planeswalker you control becomes a legendary Soldier creature with indestructible that is still a planeswalker.
Target creature you control gets +2/+2 and gains Indestructible and First strike until
end of turn.
https://youtu.be/a4nh-XRt4g0?si=PiCMxz9lOjVBa9zf