santa mtg card Claws [AC18-EN012] Super Rare Fantasy North - Santa Claus

Chalice of the Void As my friend Alex explained to me, Chalice is great in a deck like Scam because you need effects for the minimum amount of resources invested, and being a zero mana continuous counterspell for cascade strategies, Chalice is an efficient and quick card thats worth sideboard slots

Grav-cannon When this creature enters, destroy up to one target artifact or enchantment

This one will likely need some testing to see what its really like, but I expect it would be net-positive the majority of the time

Ian Malcolm, Chaotician Ian Malcolm, Chaotician is one of a couple cards that trigger no matter who's drawing extra cards

With loads of enchantment creatures about thanks to Final Fantasy and Duskmourn, it will be particularly helpful to have a one mana counterspell that can deal with them - or with Izzet Cauldron's cauldrons