While not as fast as fetch-shock setups, they make for excellent supplemental fixing when you want a bit of selection without giving up tempo entirely
The single green mana requirement means that it can be jammed into many decks, and often will be found as the only green card in a 5 color deck
Kalain, Reclusive Painter This is a tough category to narrow to one, but Kalain is the pick here because of the new archetype she helped fuel: red-black treasure
For the most part, players are working with the same shell that existed before the Bonders Ornament unban here, but the newcomer boosts the deck in two subtle, yet important, ways
From turn 1, you have both ramp and removal
This aggressive red creature is a 2/2 for two red mana, which gains first strike on its controller's turn, making it a decent little attacker