Cascade, on the other hand, is a triggered ability thats put into the stack, and unlike discover, it can be countered by the likes of Stifle
Some random cards id look into possibly adding would be Fight Rigging, Bear Umbra Mutant's Prey, Ancient Animus, Pounce, Prey Upon, Pit Fight Boxing Ring Rancor, Alpha Authority, Sticky Fingers, Fireshrieker, Whispersilk Cloak ect Most of my recommendations either give you access to -fighting (Which would trigger Wolverines +1/+1 counter trigger even when if its not your turn
Double Strike Rafiqs double strike ability means that we can really leverage other combat damage triggers like Bident of Thassa and the various Equipment like Sword of Hearth and Home
Parcelbeast The dream here is to turn Coiling Oracle into a creature that can coil every turn
Similarly, the Beta set (the second printing of Magic in September 1993) also has several valuable cards, including a few worth thousands