"There is great wisdom in rushing headlong into combat . . . if you're prepared."
—Kenjek, captain of the Thousand Swords

Swiftfoot Boots

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)
Equip {1}

Bloomburrow Commander

Outlaws of Thunder Junction Commander

"I don't need brakes. I usually find that if something stops me, it's interesting enough to stop for."

Fallout

The Lost Caverns of Ixalan Commander

If a creature enters the battlefield under your control and gains haste, but then loses it before attacking, it won't be able to attack that turn. This means that you can't use one Swiftfoot Boots to allow two new creatures to attack in the same turn.