Command your army of machines, copy your greatest creations, and overwhelm your foes with an unstoppable army of artifacts
The power level is totally reasonable against all but the weakest opponents
Standard / Prison MTG Decks A prison deck functions by locking your opponent out of the ability to play in certain ways using cards and combinations to halt creatures activated abilities, ability to attack, the casting of spells, mana, etc in effect locking your opponent out of the game.
All you need to do is keep it alive and surround it with a healthy amount of sacrifice fodder
First off, we have to figure out a way to trigger gravestorm, which is doable but takes a bit of effort
(2019-10-04) Casting a card as an Adventure isn't casting it for an alternative cost