mtg card art Modern Horizons 3 Cards Tarkir: Dragonstorm Art Cards

It gives you mana to play creatures, has decent removal, and can even be played earlier if youre willing to sacrifice some loyalty

Most obviously, you can use Powerstones to cast artifact spells, like the retro version of Scrap Trawler from the Brothers War bonus sheet, which reads, Whenever Scrap Trawler or another artifact you control is put into a graveyard from the battlefield, return to your hand target artifact card in your graveyard with lesser mana value. Wait, lesser mana valuelesser mana value than WHAT

Such a strategy may slowly whittle down all opponents in the multiplayer Commander format, but it also works well in 1v1 formats with 20 life

Designer Notes: Build up an army of zombies and use your commander to sacrifice them for value