Duelist's Heritage [Commander 2021] Dragon Hydra you may attach to it

you may attach to it any number of Auras on the battlefield and you may put onto the battlefield attached to it any number of Aura cards that could enchant it from your graveyard and/or hand

Each Innistrad: Midnight Hunt Bundle Box contains:

(It's an artifact with "{T}

Set: Doctor Who Type: Legendary Creature — Human Soldier Advisor Rarity: Rare Cost: {3}{U} Mentor (Whenever this creature attacks

Set: Arabian Nights Type: Creature — Djinn Rarity: Rare Cost: {3}{G} At the beginning of your upkeep

Duelist's Heritage [Commander 2021] Dragon Hydra you may attach to itSet: Commander 2021 Type: Enchantment Rarity: Rare Cost: {2}{W} Whenever one or more creatures attack, you may have target attacking creature gain double strike until end of turn. The best techniques outlive their creators.