mtg urza card Urza, Lord High Artificer (Borderless) - Proxy Commander Masters Whenever you discard one or more artifact cards Most Valuable Urza's Saga Cards

It also makes it so that you can only play one spell per turn

Its a decently powerful card that can wipe out a bunch of weak creatures at once and grows stronger whenever an enemy creature dies, though it doesnt exactly make for a top-tier commander

Buried Alive Burning-Rune Demon Corpse Connoisseur Disciples of Gix Entomb Final Parting Goblin Engineer Gravebreaker Lamia Iname, Death Aspect Increasing Ambition Intuition Jarads Orders Lifes Finale Oriq Loremage Unmarked Grave Vile Entomber Best MTG Cards With Loot/Rummage Effects Loot and Rummage effects are also powerful ways to get cards into your graveyard

If you're playing Assemble the LegionAssemble the Legion and find it powerful, you'll love to have this card around as a companion