As a Marvel character, and one of the biggest, theres a range of stuff happening with this drop
Watermark: Dimir Illustrated by Dan Murayama Scott Standard Not Legal Alchemy Not Legal Pioneer Legal Historic Legal Modern Legal Brawl Legal Legacy Legal Comp
Hopefully a future set answers that, whether by visiting Chatterfangs home turf or gaining additional insight from flavor text or something
Still, I loved being able to attempt to counter a foes spell with Daze (one of the most valuable cards in Nemesis ) by returning a tapped Island to my hand, seeing them smugly pay the they left open, but then pitching that Island and another card to pay the alternate casting for Foil, then watching their face fall - all while being fully tapped out
The only way to outright interfere with them was to play heavy graveyard hate or have removal/hate cards that exiled the target instead of sending it to the graveyard
You can also swap them out for glass beads, six-sided dice, or bottle caps whatever you have to hand, really, works just fine