The only thing you should worry about is Golbat's Leech Life because Golbat will recover HP equal to the damage it caused
Its a tutor, which is a genre of effect that Wizards is moving away from at the moment
We have cost-reducers, so there are a number of ways to generate infinite colorless mana, which happens to be what Cayth requires
What makes Shadowless Charizard so compelling from a market perspective is the value-to-rarity ratio
People resonate with lots of different parts: the camaraderie, the heroism, the silliness, but one thing we knew we needed to nail was the sense of adventure
A mana rock that is always on, cant be interacted with, and helps you cast your creatures is enormously powerful, especially when those creatures are generally the most powerful things on the board