
Biorganic Carapace | Artifact | Equipment | When this Equipment enters, attach it to target creature you control.
Equipped creature gets +2/+2 and has "Whenever this creature deals combat damage to a player, draw a card for each modified creature you control." (Equipment, Auras you control, and counters are modifications.)
Equip {2} | Randy Gallegos

Living Brain, Mechanical Marvel | Legendary Artifact Creature | Robot Villain | At the beginning of combat on your turn, target non-Equipment artifact you control becomes an artifact creature with base power and toughness 3/3 until end of turn. Untap it. | Steve Ellis

Interdimensional Web Watch | Artifact | | When this artifact enters, exile the top two cards of your library. Until the end of your next turn, you may play those cards.
{T}: Add two mana in any combination of colors. Spend this mana only to cast spells from exile. | Alex Konstad