Helm of the Host (217) [Dominaria] HarperPrism Book Promos you may put a commander

you may put a commander you own from the command zone onto the battlefield

this creature deals 1 damage to each opponent

Set: Secret Lair Drop Type: Instant Rarity: rare Cost: {U}{U} Counter target spell

Set: Limited Edition Alpha Type: Creature — Elemental Rarity: uncommon Cost: {3}{R}{R}

Set: The Lost Caverns of Ixalan Commander Type: Sorcery Rarity: rare Cost: {3}{R}{R} Target creature you control deals damage equal to its power to each other creature and each opponent

Helm of the Host (217) [Dominaria] HarperPrism Book Promos you may put a commanderSet: Dominaria Type: Legendary Artifact Equipment Rarity: rare Cost: {4} At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste. Equip {5}