Helm of the Host [Dominaria] SWSH131 Set: Magic Origins Type: Creature

Set: Magic Origins Type: Creature — Hydra Rarity: Rare Cost: {2}{G} Trample

it cannot attack for the rest of this turn (even if this card leaves the field)

and this card gains that same amount of ATK

You can only Special Summon "Black Dragon Collapserpent" once per turn this way

Helm of the Host [Dominaria] SWSH131 Set: Magic Origins Type: CreatureSet: 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 if equipped creature is legendary. That token gains haste. Equip {5} Forged out of flowstone for the queen of Vesuva.