Greater Mark of Making

Source: Eberron: Forge of the Artificer

You gain the following benefits.

Ability Score Increase.
Increase one ability score of your choice by 1, to a maximum of 20.

Improved Intuition.
When you use the Artisan’s Intuition benefit of your Mark of Making feat, you can roll 1d6 instead of 1d4.

Improved Making.
When you use the Spellsmith benefit of your Mark of Making feat to cast
Magic Weapon
without a spell slot, you cast the spell as its level 3 version.