Staff of the Python

Staff, uncommon, requires attunement by a cleric, druid, or warlock · 2014 rules, SRD 5.1

Action: throw it to become a giant constrictor snake under your command; it reverts when it drops to 0 HP (destroyed).

Also in the 2024 rules (SRD 5.2).

This page includes material from the System Reference Document 5.1 ("SRD 5.1") by Wizards of the Coast LLC, licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/legalcode).