mtg commander 2020 precon decklist Silverquill deck revealed with Magic cards like Killian, Decisive Mentor My Thoughts On All Five

How about Commander Cube

Since the extra combat phase comes from an enters-the-battlefield trigger (ETB) , you can also abuse this Aura if you can find a way to flicker it

MARVEL SUPER HEROES COMES TO ARENA Choose the characters you love, create iconic team-ups, and bring comic book action to life on the battlefield

Looking back, 0/0 Germs made design a bit tricky, as all Equipment had to provide a toughness boost, but it started a trend of design that would spawn many more mechanics

The rest of this cycle is worth checking out even if the effects arent quite as strong, because itll make your mana base more functional

Red Death, Shipwrecker doesn't fit the theme of the deck except as a mana producer, and can easily be replaced with an artifact creature with the same basic function which also interacts with your artifact theme