Master of the Feast will for sure get destroyed by any of the thousands removal spells you'll force your opponent to draw, so it won't be dealing too much damage if any
Rarity: R #: 253 Card Type: Legendary Planeswalker Karn Casting Cost: 4
As far as lower-rarity cards, there are a handful of semi-valuable commons (led by the Tron lands and Expedition Map in the $2 range) and some solid uncommons, including Manamorphose, Lightning Greaves, Oubliette, and Path to Exile
Yes, you need to have a basic land for it to work, but thats not a big ask to take out a creature or planeswalker with little chance your opponent will get it back
(All dice must be stacked vertically, one on top of another.) This creature gets +1/+1 for each die in its stack
Pairing this artifact with cards like Essenceknit Scholar, Lluwen, Exchange Student, Pest Mascot, Teachers Pest, and Arnyn, Deathbloom Botanist just meant I always had ways to gain health, deal damage, and had access to low-risk token creatures to sacrifice in order to return the big hitters to the battlefield using Cauldron