
Artifact — Equipment
Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and no matter when it came under your control.)
Equip (
: Attach to target creature you control. Equip only as a sorcery.)

Same role: grants haste and shroud with free equip for protecting commanders.

Equipment granting unblockable and shroud to protect a creature.

Equipment granting hexproof to protect your commander.

Grants indestructible and auto-attaches equipment for protection.

Equipment giving hexproof-style protection and a power boost.

Equipment granting hexproof plus other bonuses.

Aura granting indestructible and protection to a key creature.

Equipment granting indestructible to keep your commander alive.
→ Infinite colorless mana, Infinite copies of artifacts you control, Infinite creature tokens
→ Infinite copies of artifacts you control, Infinite creature tokens, Infinite ETB
→ Infinite turns, Lock
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.