
Skyseer's Chariot | Artifact | Vehicle | Flying
As this Vehicle enters, choose a nonland card name.
Activated abilities of sources with the chosen name cost {2} more to activate.
Crew 2 | Carl Critchlow

Riverchurn Monument | Artifact | | {1}, {T}: Any number of target players each mill two cards. (Each of them puts the top two cards of their library into their graveyard.)
Exhaust — {2}{U}{U}, {T}: Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.) | Anthony Devine

Mendicant Core, Guidelight | Legendary Artifact Creature | Robot | Mendicant Core's power is equal to the number of artifacts you control.
Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
Max speed — Whenever you cast an artifact spell, you may pay {1}. If you do, copy it. (The copy becomes a token.) | Zezhou Chen