Phyrexia: All Will Be One Commander

Mask of Memory

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.
Equip {1}

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Warhammer 40,000 Commander

Commander Legends

The List

Commander 2014

Planechase

Mirrodin

Whenever equipped creature deals combat damage to a player, you may draw two cards. If you do, discard a card from your hand.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery. This card comes into play unattached and stays in play if the creature leaves play.)