The Peregrine Dynamo [Dominaria United Commander] Grass[+30] it has the power to

it has the power to realize epic visions

creating a network of trenches the brothers would trade for decades

When The Grand Calcutron enters the battlefield

Set: March of the Machine Prerelease Promos Type: Legendary Creature — Human Wizard Rarity: Rare Cost: {1}{U} Whenever you cast a legendary spell

Set: EX: Holon Phantoms Rarity: Uncommon

The Peregrine Dynamo [Dominaria United Commander] Grass[+30] it has the power toSet: Dominaria United Commander Type: Legendary Artifact Creature Construct Rarity: Rare Cost: {3} Haste {1}, {T}: Copy target activated or triggered ability you control from another legendary source that's not a commander. You may choose new targets for the copy. (Mana abilities can't be targeted.) Jhoira stumbled upon an ally, not just a good source of spare parts.