Whenever one or more artifact creatures you control deal combat damage to a player, you get {E}{E} (two energy counters). At the beginning of your end step, you may pay one or more {E}. If you do, create an X/X colorless Vehicle artifact token named Nalaar Aetherjet with flying and crew 2, where X is the amount of {E} spent this way.

Whenever you cast an Artificer or artifact spell, you get {E} (an energy counter). At the beginning of combat on your turn, you may pay {E}{E}{E}. When you do, create a token that's a copy of target permanent you control, except it's a 5/5 artifact creature in addition to its other types and has haste. Sacrifice it at the beginning of the next end step.

At the beginning of combat on your turn, choose up to one target Vehicle you control. Until end of turn, it becomes an artifact creature and gains haste. +2: You may sacrifice an artifact or discard a card. If you do, draw a card. 0: Create a 3/2 colorless Vehicle artifact token with crew 1. −7: You get an emblem with "Whenever an artifact you control enters, this emblem deals 3 damage to any target."

Landfall — Whenever a land you control enters, you get {E}{E} (two energy counters). You may pay eight {E} rather than pay the mana cost for permanent spells you cast.