Helm of the Host (Promo Pack) [Dominaria Promos] CRU182 If you sacrifice an Island

If you sacrifice an Island this way

Set: Commander 2017 Oversized Type: Legendary Creature — Dragon Avatar Rarity: Mythic Cost: {4}{W}{U}{B}{R}{G} Eminence — As long as The Ur-Dragon is in the command zone or on the battlefield

Fire of Kaladesh

Activate only if you control three or more artifacts

Helm of the Host (Promo Pack) [Dominaria Promos] CRU182 If you sacrifice an IslandSet: Dominaria Promos 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 if equipped creature is legendary. That token gains haste. Equip {5} Forged out of flowstone for the queen of Vesuva.