Only producing colorless mana for cards cast from a specific zone does make this incredibly narrow and only useful for hyper-specific decks
Rip Apart Being a sorcery rather than an instant certainly holds Rip Apart back, but that doesnt mean it isnt a versatile and reliable removal spell
The deck archetype got a boost with the release of Modern Horizons 3 with Eladamri, Korvecdal, who lets you manipulate the top card of your deck and put creatures into play directly from it or your hand
Byrke, Long Ear of the Law (BLB) $25.60 Byrke, Long Ear of the Law is one of a recent spate of +1/+1 counters cards printed into Standard recently
One of the best white creatures, Sunny's a big body that returns a cheap permanent from the graveyard to the battlefield ( any permanent, not just a creature), and if our foe doesn't want our Sun Titan to keep generating value every turn, they'll have to spend at least a card dealing with it ASAP