
Ancestral Katana | Artifact | Equipment | Whenever a Samurai or Warrior you control attacks alone, you may pay {1}. When you do, attach Ancestral Katana to it.
Equipped creature gets +2/+1.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.) | Daniel Ljunggren
3.0 LSV

Mnemonic Sphere | Artifact | | {1}{U}, Sacrifice Mnemonic Sphere: Draw two cards.
Channel — {U}, Discard Mnemonic Sphere: Draw a card. | Robin Olausson
2.5 LSV

Armguard Familiar | Artifact Creature | Equipment Beast | Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)
Equipped creature gets +2/+1 and has ward {2}.
Reconfigure {4} ({4}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.) | Joshua Raphael
2.5 LSV

Virus Beetle | Artifact Creature | Insect | When Virus Beetle enters the battlefield, each opponent discards a card. | Dan Scott
1.5 LSV

Towashi Songshaper | Artifact Creature | Human Artificer | Whenever another artifact enters the battlefield under your control, Towashi Songshaper gets +1/+0 until end of turn. | Fajareka Setiawan
2.0 LSV

Ecologist's Terrarium | Artifact | | When Ecologist's Terrarium enters the battlefield, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.
{2}, {T}, Sacrifice Ecologist's Terrarium: Put a +1/+1 counter on target creature. Activate only as a sorcery. | Daniel Ljunggren
2.5 LSV

Automated Artificer | Artifact Creature | Artificer | {T}: Add {C}. Spend this mana only to activate an ability or cast an artifact spell. | Izzy
2.0 LSV

Papercraft Decoy | Artifact Creature | Frog | When Papercraft Decoy leaves the battlefield, you may pay {2}. If you do, draw a card. | Brian Valeza
2.0 LSV