Effect — Minecraft Command Builder

Step 1 Choose Your Targets & Effects

Quick Effect Search

Target Selector Use @p · @s · @a · or player name

Ominous Effects (1.21+) Include Bad Omen, Infested, Oozing, Weaving...

Minecraft Potion Effect

Speed ▼

0 Effects Active

Active Effects List:

No active effects applied

Step 2 Potion Laboratory

Configure Potion Effect

Duration Mode

Level (Amplifier)

Level 1 - 255 (Minecraft Java max amplifier is 255)

Active Potion Effects 0

Step 3 Command Output

Applied Effects Preview

Standby: no effects loaded

Final Command Script (One command per line)

Uses standard /minecraft:effect give formatting. Copy these lines into command blocks or directly into chat.