mtg cards like darksteel mutation TR&CI 143: Layers & Why Doesn't Stop Bello's Ability (Yet Something Else Does) not actual card. Darksteel Mutation | Commander Masters

Time it when they've tapped out or have few cards in hand

Brawl Not Legal Vintage Not Legal Timeless Not Legal Commander Not Legal Pauper Not Legal Oathbreaker Not Legal Penny Not Legal All in Good Time Scheme When you set this scheme in motion, take an extra turn after this one

2013-04-15 The top card of your library isn't in your hand, so you can't suspend it, cycle it, discard it, or activate any of its activated abilities

Name meets function, all of it

Urza's Command can drop the power of other player's dorks out of nowhere, make a Powerstone, make a tapped Construct token to win the game, and then scry and draw, so I think that the Construct and scry and card draw are the default here, and that's pretty good for four mana instant speed