The best weapons for the Summoner class (called summon weapons broadly) got a big update with Terraria 1.4 thanks to the introduction of Whips. Before 1.4, playing as a summoner was difficult.

Here, you can find the best Pre-Hardmode weapons to use in Terraria, which can help you get through the early-game content. ... It's the perfect addition to a strong very early-game ranged build.