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

If you sacrifice an Island this way

Set: Core Set 2020 Prerelease Promos Type: Legendary Creature — Elf Advisor Rarity: Mythic Cost: {W}{B}{G} Legendary spells you cast cost {1} less to cast

Fire of Kaladesh

Set: Rise of the Eldrazi Type: Legendary Creature — Eldrazi Rarity: Mythic Cost: {10} When you cast this spell

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.