Whether you chump block with it, watch it get wrapped up in a Cyclonic Rift, or it becomes collateral damage of a Toxic Deluge, Boreas Charger has actually put in some solid work in my mono-white decks, as well as occasional work in non-green multicolor builds
Lurrus specifically and companions in general almost immediately broke the game, dominating quite literally every format in existence until Wizards was forced to take the unprecedented step of errata'ing the entire mechanic by essentially adding a three-mana tax to companions
High Utility, Low Price Myr Retriever Dualcaster Mage Feldon of the Third Path Solemn Simulacrum Steel Hellkite Myr Battlesphere Tyrants Familiar Faithless Looting Chaos Warp Wayfarers Bauble Fire Diamond Swiftfoot Boots Dreamstone Hedron Ahhh, Dualcaster Mage, the creature that goes infinite with any kind of copy target creature spells
As such, its become a powerful mechanic in Magic , especially when combined with cheap cantrips or cards that fill up the graveyard
