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Just so happens Custodi Lich is a zombie that does that
However, in cases where it does resolve, it doesn't matter what happens to any of the Equipment on that creature
The first applies only when another character challenges yours, the second when your character challenges another, and the third is any time they are in a challenge
This makes Noble Hierarch a great inclusion in Voltron decks, which are focussed on buffing and protecting one very large and powerful attacker
Card Name Mana Cost Type Artifact Equipment Rarity Uncommon rules Text Equipped creature gets +1/+1.: Exile this Equipment, then return it to the battlefield transformed under its owner's control