Kamigawa: Neon Dynasty

Dragonspark Reactor | Artifact | | Whenever Dragonspark Reactor or another artifact enters the battlefield under your control, put a charge counter on Dragonspark Reactor. {4}, Sacrifice Dragonspark Reactor: It deals damage equal to the number of charge counters on it to target player and that much damage to up to one target creature. | Billy Christian

Ogre-Head Helm | Artifact Creature | Equipment Ogre | Equipped creature gets +2/+2. Whenever Ogre-Head Helm or equipped creature deals combat damage to a player, you may sacrifice it. If you do, discard your hand, then draw three cards. Reconfigure {3} ({3}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.) | Viko Menezes

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

Lizard Blades | Artifact Creature | Equipment Lizard | Double strike Equipped creature has double strike. Reconfigure {2} ({2}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.) | Jason Kang

Enthusiastic Mechanaut | Artifact Creature | Goblin Artificer | Flying Artifact spells you cast cost {1} less to cast. | Anna Steinbauer

Oni-Cult Anvil | Artifact | | Whenever one or more artifacts you control leave the battlefield during your turn, create a 1/1 colorless Construct artifact creature token. This ability triggers only once each turn. {T}, Sacrifice an artifact: Oni-Cult Anvil deals 1 damage to each opponent. You gain 1 life. | Yeong-Hao Han