Shuriken

Equipped creature has “, Unattach Shuriken: Shuriken deals 2 damage to target creature. That creature’s controller gains control of Shuriken unless it was unattached from a Ninja.”
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Skullclamp

Equipped creature gets +1/-1.
Whenever equipped creature dies, draw two cards.
Equip

Bonehoard

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)
Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.
Equip

Blight Sickle

Equipped creature gets +1/+0 and has wither. (It deals damage to creatures in the form of -1/-1 counters.)
Equip

Skyclave Pick-Axe

When Skyclave Pick-Axe enters the battlefield, attach it to target creature you control.
Landfall — Whenever a land enters the battlefield under your control, equipped creature gets +2/+2 until end of turn.
Equip

Blackblade Reforged

Equipped creature gets +1/+1 for each land you control.
Equip legendary creature
Equip

Scavenged Blade

When Scavenged Blade enters the battlefield, attach it to target creature you control.
Equipped creature gets +2/+0.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Heirloom Blade

Equipped creature gets +3/+1.
Whenever equipped creature dies, you may reveal cards from the top of your library until you reveal a creature card that shares a creature type with it. Put that card into your hand and the rest on the bottom of your library in a random order.
Equip

Utility Knife

When Utility Knife enters the battlefield, attach it to target creature you control.
Equipped creature gets +1/+1.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Scytheclaw

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)
Equipped creature gets +1/+1.
Whenever equipped creature deals combat damage to a player, that player loses half their life, rounded up.
Equip

Ravager’s Mace

When Ravager’s Mace enters the battlefield, attach it to target creature you control.
Equipped creature gets +1/+0 for each creature in your party and has menace. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)
Equip

Relic Axe

When Relic Axe enters the battlefield, attach it to target creature you control.
Equipped creature gets +1/+1. If it’s a Warrior, it gets +2/+1 instead.
Equip

Maul of the Skyclaves

When Maul of the Skyclaves enters the battlefield, attach it to target creature you control.
Equipped creature gets +2/+2 and has flying and first strike.
Equip

Whispersteel Dagger

Equipped creature gets +2/+0.
Whenever equipped creature deals combat damage to a player, you may cast a creature spell from that player’s graveyard this turn, and you may spend mana as though it were mana of any color to cast that spell.
Equip

Skyclave Pick-Axe

When Skyclave Pick-Axe enters the battlefield, attach it to target creature you control.
Landfall — Whenever a land enters the battlefield under your control, equipped creature gets +2/+2 until end of turn.
Equip

Mind Carver

When Mind Carver enters the battlefield, attach it to target creature you control.
Equipped creature gets +1/+0. It gets +3/+1 instead as long as an opponent has eight or more cards in their graveyard.
Equip

Bonehoard

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)
Equipped creature gets +X/+X, where X is the number of creature cards in all graveyards.
Equip

Cliffhaven Kitesail

When Cliffhaven Kitesail enters the battlefield, attach it to target creature you control.
Equipped creature has flying.
Equip (: Attach to target creature you control. Equip only as a sorcery.)

Maul of the Skyclaves

When Maul of the Skyclaves enters the battlefield, attach it to target creature you control.
Equipped creature gets +2/+2 and has flying and first strike.
Equip

Maul of the Skyclaves

When Maul of the Skyclaves enters the battlefield, attach it to target creature you control.
Equipped creature gets +2/+2 and has flying and first strike.
Equip

Maul of the Skyclaves

When Maul of the Skyclaves enters the battlefield, attach it to target creature you control.
Equipped creature gets +2/+2 and has flying and first strike.
Equip

Lightning Greaves

Equipped creature has haste and shroud. (It can’t be the target of spells or abilities.)
Equip

Sickleslicer

Living weapon (When this Equipment enters the battlefield, create a 0/0 black Germ creature token, then attach this to it.)
Equipped creature gets +2/+2.
Equip