Good cards to play with it are auras that cantrip and equipment matter cards
A lot of these cards would change the format for the better and allow for new avenues of gameplay and deck construction
Forgotten Cave Rarity: Common TYPE: Land SUBTYPE: - CMC: 0 Mana cost: USD: $0.00 EUR: 0.00 TIX: 0.04 EDHREC RANK: 815 This land enters tapped
Throne of Eldraine brought with it a bunch of interesting support cards for the mill archetype, which, when combined with some holdovers from last Standard like Drowned Secrets, give us the critical mass of mill cards necessary to make a (possibly?) competitive deck
You then spend all four of your land drops playing and tapping the Simic Growth Chamber and then returning it to your hand, with the end result being that Summer Bloom is a ritual that costs two mana and adds six mana to your mana pool (exactly enough to play a Primeval Titan, which is where things get even sillier, since the lands you tutor up with Primeval Titan untap as well, and you pretty much just win the game on the spot, sometimes on Turn 2)
Cass, Hand of Vengeance Im not sure what this does