Ixalan

Conqueror's Galleon | Artifact | Vehicle | When Conqueror's Galleon attacks, exile it at end of combat, then return it to the battlefield transformed under your control. Crew 4 (Tap any number of creatures you control with total power 4 or more: This Vehicle becomes an artifact creature until end of turn.) | Emrah Elmasli

Gilded Sentinel | Artifact Creature | Golem | | Izzy

Primal Amulet | Artifact | | Instant and sorcery spells you cast cost {1} less to cast. Whenever you cast an instant or sorcery spell, put a charge counter on Primal Amulet. Then if there are four or more charge counters on it, you may remove those counters and transform it. | John Avon