Mithral Speed (3.5e Feat)
From D&D Wiki
Mithral Speed [Racial]
Feat related to the Mechanoid race.
Prerequisite: Mithral Mechanoid, BAB +3
Benefit: You can use your haste spell-like ability one more time per day. The caster level of that spell-like ability is also increased by +1.
Normal: You can use haste only three times per day with caster level 5.
Special: You can gain this feat multiple times, it's effects stack.