Whenever you discard a creature card, you may pay 20. If you do, create a tapped token that's a copy of that card, except it's a 4/4 black Zombie.

Whenever one or more artifact creatures you control deal combat damage to a player, you get (two energy counters).
At the beginning of your end step, you may pay one or more . 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 spent this way.

Whenever you cast an Artificer or artifact spell, you get (an energy counter).
At the beginning of combat on your turn, you may pay . 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.

Vigilance, menace
Whenever you attack, draw a card, then discard a card.
Whenever you draw a card, Zombies you control get +1/+1 until end of turn.