yugioh card of the soul Spell Exchange - INFO-EN100 - Super Rare Rare single card from YuGiOhs Mae of Muertos series Card of the Soul -

The utility of a Chord of Calling you can cast after milling it is also quite nice

Those are just a few examples

Not that spell specifically means the card is on the stack

2) Magus Lucea Kane: X-spells, but louder Magus Lucea Kane is for anyone who has ever looked at an X spell and thought, What if it happened twice? She taps for two colorless, and then sets up a delayed copy effect: the next time you cast a spell with X in its mana cost or activate an ability with X in its activation cost that turn, copy it

This article is for those degenerates among you, like me, who want to really min/max value on your collections and are willing to be patient